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July 2016
- 29 participants
- 29 discussions
 
                        
                    06 Jul '16
                    
                        My VMs are raw disk images as logical volumes. My backup script takes a
snapshot of a VM's volume, copies it off to another machine and then
deletes the snapshot.
For some reason I have a snapshot that didn't delete which is now
preventing the backups from proceeding:
...
Friday 1 July  02:10:01 AEST 2016: Taking snapshot of
/dev/vms-lvm/MBE3-MythUbu-14.04-64bit.raw...
ERR: The specified snapshot volume
/dev/vms-lvm/MBE3-MythUbu-14.04-64bit.snap already exists. Operation
canceled.
...
But if I try to remove the snapshot volume I get an error that it's in use:
$ sudo lvremove /dev/vms-lvm/MBE3-MythUbu-14.04-64bit.snap
  Logical volume vms-lvm/MBE3-MythUbu-14.04-64bit.snap in use.
Can anyone please advise on how I find out what's using the snapshot, then
kill that process so I can remove the snapshot so my backups can work again?
                    
                  
                  
                          
                            
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                        Hello,
We are currently facing a strange situation. One of our VM is shown by
'virsh list' as in state "in shutdown" but there is no more a qemu-kvm
process linked to it.
So we have a few questions:
1. What does means the state in shutdown (I have not found much information
about it)?
2. How to cleanly "shutdown" the vm, or more correctly, clean the status in
virsh/libvirt?
Regards,
Roland Everaert.
                    
                  
                  
                          
                            
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                        Hello,
I am facing some problems in bridged networking.
I have successfully created a bridge br0 and added a virtual machine to it.
Now the address of virtual machine is 10.1.3.31. I am able to connect to
this virtual machine by another computer on same network.
The virtual machine is hosting a simple python http server on port 8000,
while some other service is running on port 80
When I try his on my main server :
# curl 10.1.3.31:80
Response I get is this :
* Rebuilt URL to: 10.1.3.31:80/
* Hostname was NOT found in DNS cache
*   Trying 10.1.3.31...
* Connected to 10.1.3.31 (10.1.3.31) port 80 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.35.0
> Host: 10.1.3.31
> Accept: */*
>
* Recv failure: Connection reset by peer
* Closing connection 0
curl: (56) Recv failure: Connection reset by peer
But when I try this on any other port
# curl 10.1.3.31:8000
Response I get is this:
* Rebuilt URL to: 10.1.3.31:8000/
* Hostname was NOT found in DNS cache
*   Trying 10.1.3.31...
* connect to 10.1.3.31 port 8000 failed: Connection timed out
* Failed to connect to 10.1.3.31 port 8000: Connection timed out
* Closing connection 0
curl: (7) Failed to connect to 10.1.3.31 port 8000: Connection timed out
Output of iptables -L:
Chain INPUT (policy ACCEPT)
target     prot opt source               destination
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:ftp
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:8000
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:1022
Chain FORWARD (policy DROP)
target     prot opt source               destination
ACCEPT     all  --  anywhere             10.0.0.0/16          state
RELATED,ESTABLISHED
ACCEPT     tcp  --  anywhere             10.0.2.4             tcp
dpt:http-alt
ACCEPT     tcp  --  anywhere             10.0.2.4             tcp dpt:1883
ACCEPT     tcp  --  anywhere             10.0.2.4             tcp dpt:1883
TCPMSS     tcp  --  anywhere             anywhere             tcp
flags:SYN,RST/SYN TCPMSS clamp to PMTU
Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination
Output of ifconfig:
br0       Link encap:Ethernet  HWaddr 00:1a:64:c1:31:2e
          inet addr:10.1.3.33  Bcast:10.1.3.255  Mask:255.255.255.0
          inet6 addr: fe80::21a:64ff:fec1:312e/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1578351 errors:0 dropped:15619 overruns:0 frame:0
          TX packets:1327458 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:198829729 (198.8 MB)  TX bytes:346380435 (346.3 MB)
eth1      Link encap:Ethernet  HWaddr 00:1a:64:c1:31:2e
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:7429105 errors:0 dropped:31238 overruns:0 frame:0
          TX packets:7684361 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:782334104 (782.3 MB)  TX bytes:2221485458 (2.2 GB)
lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:87278 errors:0 dropped:0 overruns:0 frame:0
          TX packets:87278 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:12350508 (12.3 MB)  TX bytes:12350508 (12.3 MB)
vnet0     Link encap:Ethernet  HWaddr fe:54:00:14:0e:98
          inet6 addr: fe80::fc54:ff:fe14:e98/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:6411332 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6277721 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:1909595770 (1.9 GB)  TX bytes:656284846 (656.2 MB)
Output of cat /etc/network/interfaces :
auto lo
iface lo inet loopback
auto eth1
iface eth1 inet static
  address 10.1.3.33
  netmask 255.255.255.0
  gateway 10.1.3.1
  dns-nameservers 192.168.2.11 192.168.2.12
auto br0
iface br0 inet static
    address 10.1.3.33
    netmask 255.255.255.0
    gateway    10.1.3.1
    dns-nameservers 192.168.2.11 192.168.2.12
    bridge_ports eth1
    bridge_stp off
    bridge_maxwait 5
    dns-nameservers 192.168.2.11 192.168.2.12
                    
                  
                  
                          
                            
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                        Hello,
 Is there any command to list all available channels for specific
machine?
For example, i have a additional spice serial device:
<channel type='unix'>
 <source mode='bind'/>
 <target type='virtio' name='com.redhat.kvm-vdi.0'/>
 <address type='virtio-serial' controller='0' bus='0' port='2'/>
</channel>
Is there any way to get full path to this socket on hypervisor side?
                    
                  
                  
                          
                            
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                            [libvirt-users] problem with dnsmasq and dhclient - loosing IP address after a while
                        
                        
by Patrick Pichon 01 Jul '16
                    by Patrick Pichon 01 Jul '16
01 Jul '16
                    
                        Hello,
I have a problem which is that some of my VMs are loosing there IP addresses from time to time. What I saw in the log is when this VM loose its IP address there are DHCPREQUEST send from the VM by dhclient and the server responded only 50 minutes later !
Any help, advise on how to debug would be welcome.
Thanks in advance
Patrick
Here after is an extract from the log
July 1st 2016, 05:08:46.156	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 05:08:46.156	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 05:08:32.003	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:18.274	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:03.793	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:54.504	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:40.642	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:22.978	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:04.180	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:45.233	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:30.417	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:15.304	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:02.203	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:55.780	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:38.227	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:27.970	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:15.183	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:04.425	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:56.008	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:39.227	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:24.531	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:10.306	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:56.149	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:45.917	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:34.480	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:24.189	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:07.038	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:51.557	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:40.088	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:29.963	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:11.446	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:53.245	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:32.646	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:23.725	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:12.691	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:53.537	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:32.797	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:18.520	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:11.831	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:53.649	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:45.510	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:38.236	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:18.089	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:59.930	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:52.521	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:37.193	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:18.742	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:05.088	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:53.879	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:36.308	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:16.716	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:07.594	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:54.607	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:34.286	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:24.307	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:10.593	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:56.460	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:37.165	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:28.171	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:18.719	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:01.360	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:44.150	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:37.490	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:26.746	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:12.103	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:54.381	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:42.322	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:30.937	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:14.144	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:55.999	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:47.948	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:39.143	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:28.188	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:07.857	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:53.381	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:39.750	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:27.260	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:06.864	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:53.216	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:36.366	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:27.696	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:07.898	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:46.721	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:37.941	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:27.940	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:17.156	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.398	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1614 seconds.
10.10.0.10
July 1st 2016, 04:18:02.260	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.260	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:03.644	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1379 seconds.
10.10.0.10
July 1st 2016, 03:55:02.777	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:55:02.777	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:55:02.777	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:02.776	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:20.065	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1422 seconds.
10.10.0.10
July 1st 2016, 03:31:16.303	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:31:16.225	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
My setup is as followed
- Fedora 24 / Kernel 4.5.7
libvirt-daemon-driver-qemu-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nodedev-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-secret-1.3.3.1-4.fc24.x86_64
libvirt-daemon-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-storage-1.3.3.1-4.fc24.x86_64
libvirt-daemon-kvm-1.3.3.1-4.fc24.x86_64
libvirt-client-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-interface-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nwfilter-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-nwfilter-1.3.3.1-4.fc24.x86_64
- dnsmasq / 2.75-4
- Setup Network - hypervisor side.
There is a bridge configuration, as I have one VM listening to the Internet as well.
ifconfig
br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
        net my ip address  netmask 255.255.255.0  broadcast my ip address
        inet6 fe80::d6ae:52ff:fec7:6694  prefixlen 64  scopeid 0x20<link>
        ether d4:ae:52:c7:66:94  txqueuelen 1000  (Ethernet)
        RX packets 1395299  bytes 291328394 (277.8 MiB)
        RX errors 0  dropped 66  overruns 0  frame 0
        TX packets 629001  bytes 777811458 (741.7 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
        inet6 fe80::d6ae:52ff:fec7:6694  prefixlen 64  scopeid 0x20<link>
        ether d4:ae:52:c7:66:94  txqueuelen 1000  (Ethernet)
        RX packets 7254272  bytes 2658859144 (2.4 GiB)
        RX errors 0  dropped 4923  overruns 0  frame 0
        TX packets 7302074  bytes 6556766298 (6.1 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
sudo iptables-save
[sudo] password for support:
# Generated by iptables-save v1.4.21 on Fri Jul  1 10:50:45 2016
*mangle
:PREROUTING ACCEPT [313661:46683942]
:INPUT ACCEPT [312868:46455263]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204754:109339610]
:POSTROUTING ACCEPT [204754:109339610]
-A POSTROUTING -o virbr1 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
COMMIT
# Completed on Fri Jul  1 10:50:45 2016
# Generated by iptables-save v1.4.21 on Fri Jul  1 10:50:45 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204361:109206834]
-A INPUT -i virbr1 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -i br0 -m set --match-set banned src -j DROP
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -i br0 -p tcp -m state --state NEW -m tcp --dport 23 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -i virbr1 -o virbr1 -j ACCEPT
-A FORWARD -o virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
-A FORWARD -m set --match-set banned src -j DROP
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
-A OUTPUT -o virbr1 -p udp -m udp --dport 68 -j ACCEPT
COMMIT
# Completed on Fri Jul  1 10:50:45 2016
<network>
  <name>prd-private-lan</name>
  <uuid>255083f4-05a1-4a24-bc66-d3a3a9ab0724</uuid>
  <bridge name='virbr1' stp='off' delay='0'/>
  <mac address='52:54:00:08:1e:d8'/>
  <domain name='prd.pipiche.net <http://prd.pipiche.net/>'/>
  <dns>
    <forwarder addr='8.8.4.4'/>
    <forwarder addr='8.8.8.8'/>
  </dns>
  <ip address='10.10.0.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='10.10.0.128' end='10.10.0.254'/>
      <host mac='52:54:10:b6:35:ca' name='svc.prd.pipiche.net <http://svc.prd.pipiche.net/>' ip='10.10.0.3'/>
      <host mac='52:54:10:32:88:ac' name='admin.prd.pipiche.net <http://admin.prd.pipiche.net/>' ip='10.10.0.5'/>
      <host mac='52:54:10:5f:92:05' name='frontend.prd.pipiche.net <http://frontend.prd.pipiche.net/>' ip='10.10.0.7'/>
      <host mac='52:54:10:7d:3a:3f' name='mail.prd.pipiche.net <http://mail.prd.pipiche.net/>' ip='10.10.0.10'/>
      <host mac='52:54:10:30:93:56' name='blog.prd.pipiche.net <http://blog.prd.pipiche.net/>' ip='10.10.0.21'/>
      <host mac='52:54:10:78:c1:c2' name='cloud.prd.pipiche.net <http://cloud.prd.pipiche.net/>' ip='10.10.0.22'/>
      <host mac='52:54:10:64:00:21' name='web.prd.pipiche.net <http://web.prd.pipiche.net/>' ip='10.10.0.25'/>
      <host mac='52:54:10:5a:5f:63' name='dcroche.prd.pipiche.net <http://dcroche.prd.pipiche.net/>' ip='10.10.0.26'/>
      <host mac='52:54:10:4c:b2:61' name='trac.prd.pipiche.net <http://trac.prd.pipiche.net/>' ip='10.10.0.27'/>
      <host mac='52:54:10:62:de:5f' name='git.prd.pipiche.net <http://git.prd.pipiche.net/>' ip='10.10.0.62'/>
    </dhcp>
  </ip>
</network>
On the VM side, I’m using NetworkManager
ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.10.0.10  netmask 255.255.255.0  broadcast 10.10.0.255
        inet6 fe80::5054:10ff:fe7d:3a3f  prefixlen 64  scopeid 0x20<link>
        ether 52:54:10:7d:3a:3f  txqueuelen 1000  (Ethernet)
        RX packets 1368559  bytes 304901897 (290.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1219893  bytes 2157040102 (2.0 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
 sudo cat /etc/sysconfig/network-scripts/ifcfg-eth0
# Generated by dracut initrd
HWADDR="52:54:10:7d:3a:3f"
DEVICE="eth0"
NAME="eth0"
ONBOOT=yes
NETBOOT=yes
IPV6INIT=no
BOOTPROTO=dhcp
TYPE=Ethernet
DNS1=10.10.0.1
DNS2=8.8.8.8
DNS3=8.8.4.4
                    
                  
                  
                          
                            
                            1
                            
                          
                          
                            
                            0
                            
                          
                          
                            
    
                          
                        
                    
                    
                        Hello,
I have a problem which is that some of my VMs are loosing there IP addresses from time to time. What I saw in the log is when this VM loose its IP address there are DHCPREQUEST send from the VM by dhclient and the server responded only 50 minutes later !
Any help, advise on how to debug would be welcome.
Thanks in advance
Patrick
Here after is an extract from the log
July 1st 2016, 05:08:46.156	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 05:08:46.156	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 05:08:32.003	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:18.274	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:03.793	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:54.504	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:40.642	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:22.978	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:04.180	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:45.233	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:30.417	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:15.304	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:02.203	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:55.780	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:38.227	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:27.970	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:15.183	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:04.425	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:56.008	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:39.227	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:24.531	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:10.306	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:56.149	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:45.917	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:34.480	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:24.189	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:07.038	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:51.557	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:40.088	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:29.963	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:11.446	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:53.245	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:32.646	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:23.725	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:12.691	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:53.537	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:32.797	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:18.520	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:11.831	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:53.649	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:45.510	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:38.236	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:18.089	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:59.930	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:52.521	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:37.193	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:18.742	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:05.088	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:53.879	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:36.308	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:16.716	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:07.594	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:54.607	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:34.286	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:24.307	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:10.593	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:56.460	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:37.165	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:28.171	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:18.719	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:01.360	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:44.150	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:37.490	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:26.746	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:12.103	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:54.381	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:42.322	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:30.937	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:14.144	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:55.999	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:47.948	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:39.143	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:28.188	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:07.857	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:53.381	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:39.750	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:27.260	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:06.864	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:53.216	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:36.366	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:27.696	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:07.898	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:46.721	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:37.941	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:27.940	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:17.156	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.398	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1614 seconds.
10.10.0.10
July 1st 2016, 04:18:02.260	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.260	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:03.644	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1379 seconds.
10.10.0.10
July 1st 2016, 03:55:02.777	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:55:02.777	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:55:02.777	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:02.776	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:20.065	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1422 seconds.
10.10.0.10
July 1st 2016, 03:31:16.303	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:31:16.225	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
My setup is as followed
- Fedora 24 / Kernel 4.5.7
libvirt-daemon-driver-qemu-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nodedev-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-secret-1.3.3.1-4.fc24.x86_64
libvirt-daemon-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-storage-1.3.3.1-4.fc24.x86_64
libvirt-daemon-kvm-1.3.3.1-4.fc24.x86_64
libvirt-client-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-interface-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nwfilter-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-nwfilter-1.3.3.1-4.fc24.x86_64
- dnsmasq / 2.75-4
- Setup Network - hypervisor side.
There is a bridge configuration, as I have one VM listening to the Internet as well.
ifconfig
br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
        net my ip address  netmask 255.255.255.0  broadcast my ip address
        inet6 fe80::d6ae:52ff:fec7:6694  prefixlen 64  scopeid 0x20<link>
        ether d4:ae:52:c7:66:94  txqueuelen 1000  (Ethernet)
        RX packets 1395299  bytes 291328394 (277.8 MiB)
        RX errors 0  dropped 66  overruns 0  frame 0
        TX packets 629001  bytes 777811458 (741.7 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
        inet6 fe80::d6ae:52ff:fec7:6694  prefixlen 64  scopeid 0x20<link>
        ether d4:ae:52:c7:66:94  txqueuelen 1000  (Ethernet)
        RX packets 7254272  bytes 2658859144 (2.4 GiB)
        RX errors 0  dropped 4923  overruns 0  frame 0
        TX packets 7302074  bytes 6556766298 (6.1 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
sudo iptables-save
[sudo] password for support:
# Generated by iptables-save v1.4.21 on Fri Jul  1 10:50:45 2016
*mangle
:PREROUTING ACCEPT [313661:46683942]
:INPUT ACCEPT [312868:46455263]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204754:109339610]
:POSTROUTING ACCEPT [204754:109339610]
-A POSTROUTING -o virbr1 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
COMMIT
# Completed on Fri Jul  1 10:50:45 2016
# Generated by iptables-save v1.4.21 on Fri Jul  1 10:50:45 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204361:109206834]
-A INPUT -i virbr1 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -i br0 -m set --match-set banned src -j DROP
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -i br0 -p tcp -m state --state NEW -m tcp --dport 23 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -i virbr1 -o virbr1 -j ACCEPT
-A FORWARD -o virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
-A FORWARD -m set --match-set banned src -j DROP
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
-A OUTPUT -o virbr1 -p udp -m udp --dport 68 -j ACCEPT
COMMIT
# Completed on Fri Jul  1 10:50:45 2016
<network>
  <name>prd-private-lan</name>
  <uuid>255083f4-05a1-4a24-bc66-d3a3a9ab0724</uuid>
  <bridge name='virbr1' stp='off' delay='0'/>
  <mac address='52:54:00:08:1e:d8'/>
  <domain name='prd.pipiche.net <http://prd.pipiche.net/>'/>
  <dns>
    <forwarder addr='8.8.4.4'/>
    <forwarder addr='8.8.8.8'/>
  </dns>
  <ip address='10.10.0.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='10.10.0.128' end='10.10.0.254'/>
      <host mac='52:54:10:b6:35:ca' name='svc.prd.pipiche.net <http://svc.prd.pipiche.net/>' ip='10.10.0.3'/>
      <host mac='52:54:10:32:88:ac' name='admin.prd.pipiche.net <http://admin.prd.pipiche.net/>' ip='10.10.0.5'/>
      <host mac='52:54:10:5f:92:05' name='frontend.prd.pipiche.net <http://frontend.prd.pipiche.net/>' ip='10.10.0.7'/>
      <host mac='52:54:10:7d:3a:3f' name='mail.prd.pipiche.net <http://mail.prd.pipiche.net/>' ip='10.10.0.10'/>
      <host mac='52:54:10:30:93:56' name='blog.prd.pipiche.net <http://blog.prd.pipiche.net/>' ip='10.10.0.21'/>
      <host mac='52:54:10:78:c1:c2' name='cloud.prd.pipiche.net <http://cloud.prd.pipiche.net/>' ip='10.10.0.22'/>
      <host mac='52:54:10:64:00:21' name='web.prd.pipiche.net <http://web.prd.pipiche.net/>' ip='10.10.0.25'/>
      <host mac='52:54:10:5a:5f:63' name='dcroche.prd.pipiche.net <http://dcroche.prd.pipiche.net/>' ip='10.10.0.26'/>
      <host mac='52:54:10:4c:b2:61' name='trac.prd.pipiche.net <http://trac.prd.pipiche.net/>' ip='10.10.0.27'/>
      <host mac='52:54:10:62:de:5f' name='git.prd.pipiche.net <http://git.prd.pipiche.net/>' ip='10.10.0.62'/>
    </dhcp>
  </ip>
</network>
On the VM side, I’m using NetworkManager
ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.10.0.10  netmask 255.255.255.0  broadcast 10.10.0.255
        inet6 fe80::5054:10ff:fe7d:3a3f  prefixlen 64  scopeid 0x20<link>
        ether 52:54:10:7d:3a:3f  txqueuelen 1000  (Ethernet)
        RX packets 1368559  bytes 304901897 (290.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1219893  bytes 2157040102 (2.0 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
 sudo cat /etc/sysconfig/network-scripts/ifcfg-eth0
# Generated by dracut initrd
HWADDR="52:54:10:7d:3a:3f"
DEVICE="eth0"
NAME="eth0"
ONBOOT=yes
NETBOOT=yes
IPV6INIT=no
BOOTPROTO=dhcp
TYPE=Ethernet
DNS1=10.10.0.1
DNS2=8.8.8.8
DNS3=8.8.4.4
                    
                  
                  
                          
                            
                            1
                            
                          
                          
                            
                            0
                            
                          
                          
                            
    
                          
                        
                    
                    
                        Hello,
I have a problem which is that some of my VMs are loosing there IP addresses from time to time. What I saw in the log is when this VM loose its IP address there are DHCPREQUEST send from the VM by dhclient and the server responded only 50 minutes later !
Any help, advise on how to debug would be welcome.
Thanks in advance
Patrick
Here after is an extract from the log
July 1st 2016, 05:08:46.156	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 05:08:46.156	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 05:08:32.003	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:18.274	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:03.793	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:54.504	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:40.642	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:22.978	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:04.180	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:45.233	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:30.417	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:15.304	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:02.203	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:55.780	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:38.227	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:27.970	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:15.183	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:04.425	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:56.008	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:39.227	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:24.531	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:10.306	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:56.149	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:45.917	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:34.480	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:24.189	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:07.038	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:51.557	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:40.088	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:29.963	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:11.446	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:53.245	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:32.646	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:23.725	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:12.691	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:53.537	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:32.797	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:18.520	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:11.831	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:53.649	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:45.510	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:38.236	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:18.089	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:59.930	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:52.521	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:37.193	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:18.742	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:05.088	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:53.879	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:36.308	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:16.716	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:07.594	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:54.607	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:34.286	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:24.307	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:10.593	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:56.460	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:37.165	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:28.171	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:18.719	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:01.360	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:44.150	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:37.490	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:26.746	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:12.103	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:54.381	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:42.322	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:30.937	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:14.144	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:55.999	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:47.948	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:39.143	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:28.188	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:07.857	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:53.381	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:39.750	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:27.260	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:06.864	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:53.216	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:36.366	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:27.696	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:07.898	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:46.721	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:37.941	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:27.940	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:17.156	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.398	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1614 seconds.
10.10.0.10
July 1st 2016, 04:18:02.260	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.260	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:03.644	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1379 seconds.
10.10.0.10
July 1st 2016, 03:55:02.777	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:55:02.777	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:55:02.777	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:02.776	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:20.065	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1422 seconds.
10.10.0.10
July 1st 2016, 03:31:16.303	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:31:16.225	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
My setup is as followed
- Fedora 24 / Kernel 4.5.7
libvirt-daemon-driver-qemu-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nodedev-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-secret-1.3.3.1-4.fc24.x86_64
libvirt-daemon-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-storage-1.3.3.1-4.fc24.x86_64
libvirt-daemon-kvm-1.3.3.1-4.fc24.x86_64
libvirt-client-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-interface-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nwfilter-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-nwfilter-1.3.3.1-4.fc24.x86_64
- dnsmasq / 2.75-4
- Setup Network - hypervisor side.
There is a bridge configuration, as I have one VM listening to the Internet as well.
ifconfig
br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
        net my ip address  netmask 255.255.255.0  broadcast my ip address
        inet6 fe80::d6ae:52ff:fec7:6694  prefixlen 64  scopeid 0x20<link>
        ether d4:ae:52:c7:66:94  txqueuelen 1000  (Ethernet)
        RX packets 1395299  bytes 291328394 (277.8 MiB)
        RX errors 0  dropped 66  overruns 0  frame 0
        TX packets 629001  bytes 777811458 (741.7 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
        inet6 fe80::d6ae:52ff:fec7:6694  prefixlen 64  scopeid 0x20<link>
        ether d4:ae:52:c7:66:94  txqueuelen 1000  (Ethernet)
        RX packets 7254272  bytes 2658859144 (2.4 GiB)
        RX errors 0  dropped 4923  overruns 0  frame 0
        TX packets 7302074  bytes 6556766298 (6.1 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
sudo iptables-save
[sudo] password for support:
# Generated by iptables-save v1.4.21 on Fri Jul  1 10:50:45 2016
*mangle
:PREROUTING ACCEPT [313661:46683942]
:INPUT ACCEPT [312868:46455263]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204754:109339610]
:POSTROUTING ACCEPT [204754:109339610]
-A POSTROUTING -o virbr1 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
COMMIT
# Completed on Fri Jul  1 10:50:45 2016
# Generated by iptables-save v1.4.21 on Fri Jul  1 10:50:45 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204361:109206834]
-A INPUT -i virbr1 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -i br0 -m set --match-set banned src -j DROP
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -i br0 -p tcp -m state --state NEW -m tcp --dport 23 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -i virbr1 -o virbr1 -j ACCEPT
-A FORWARD -o virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
-A FORWARD -m set --match-set banned src -j DROP
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
-A OUTPUT -o virbr1 -p udp -m udp --dport 68 -j ACCEPT
COMMIT
# Completed on Fri Jul  1 10:50:45 2016
<network>
  <name>prd-private-lan</name>
  <uuid>255083f4-05a1-4a24-bc66-d3a3a9ab0724</uuid>
  <bridge name='virbr1' stp='off' delay='0'/>
  <mac address='52:54:00:08:1e:d8'/>
  <domain name='prd.pipiche.net <http://prd.pipiche.net/>'/>
  <dns>
    <forwarder addr='8.8.4.4'/>
    <forwarder addr='8.8.8.8'/>
  </dns>
  <ip address='10.10.0.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='10.10.0.128' end='10.10.0.254'/>
      <host mac='52:54:10:b6:35:ca' name='svc.prd.pipiche.net <http://svc.prd.pipiche.net/>' ip='10.10.0.3'/>
      <host mac='52:54:10:32:88:ac' name='admin.prd.pipiche.net <http://admin.prd.pipiche.net/>' ip='10.10.0.5'/>
      <host mac='52:54:10:5f:92:05' name='frontend.prd.pipiche.net <http://frontend.prd.pipiche.net/>' ip='10.10.0.7'/>
      <host mac='52:54:10:7d:3a:3f' name='mail.prd.pipiche.net <http://mail.prd.pipiche.net/>' ip='10.10.0.10'/>
      <host mac='52:54:10:30:93:56' name='blog.prd.pipiche.net <http://blog.prd.pipiche.net/>' ip='10.10.0.21'/>
      <host mac='52:54:10:78:c1:c2' name='cloud.prd.pipiche.net <http://cloud.prd.pipiche.net/>' ip='10.10.0.22'/>
      <host mac='52:54:10:64:00:21' name='web.prd.pipiche.net <http://web.prd.pipiche.net/>' ip='10.10.0.25'/>
      <host mac='52:54:10:5a:5f:63' name='dcroche.prd.pipiche.net <http://dcroche.prd.pipiche.net/>' ip='10.10.0.26'/>
      <host mac='52:54:10:4c:b2:61' name='trac.prd.pipiche.net <http://trac.prd.pipiche.net/>' ip='10.10.0.27'/>
      <host mac='52:54:10:62:de:5f' name='git.prd.pipiche.net <http://git.prd.pipiche.net/>' ip='10.10.0.62'/>
    </dhcp>
  </ip>
</network>
On the VM side, I’m using NetworkManager
ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.10.0.10  netmask 255.255.255.0  broadcast 10.10.0.255
        inet6 fe80::5054:10ff:fe7d:3a3f  prefixlen 64  scopeid 0x20<link>
        ether 52:54:10:7d:3a:3f  txqueuelen 1000  (Ethernet)
        RX packets 1368559  bytes 304901897 (290.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1219893  bytes 2157040102 (2.0 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
 sudo cat /etc/sysconfig/network-scripts/ifcfg-eth0
# Generated by dracut initrd
HWADDR="52:54:10:7d:3a:3f"
DEVICE="eth0"
NAME="eth0"
ONBOOT=yes
NETBOOT=yes
IPV6INIT=no
BOOTPROTO=dhcp
TYPE=Ethernet
DNS1=10.10.0.1
DNS2=8.8.8.8
DNS3=8.8.4.4
                    
                  
                  
                          
                            
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                        I'm not sure, if it's correct mailing list to post this problem to.
I'm having problems with Windows guest and virtio serial port.
According to this manual:
http://www.spice-space.org/page/Whiteboard/AgentProtocol
I should get a named pipe on my guest VM after I create VirtIO sedial
device and spicevmc channel.
This works without any problems on Linux guest:
ls /dev/virtio-ports/
com.redhat.spice.0
But on Windows guest I can see no such pipe:
PipeList v1.01
by Mark Russinovich
http://www.sysinternals.com
Pipe Name                                    Instances       Max
Instances
---------                                    ---------       --------
-----
InitShutdown                                      3               -1
lsass                                             4               -1
ntsvcs                                            3               -1
scerpc                                            3               -1
Winsock2\CatalogChangeListener-2b8-0              1                1
epmapper                                          3               -1
Winsock2\CatalogChangeListener-1ac-0              1                1
LSM_API_service                                   3               -1
TermSrv_API_service                               3               -1
Ctx_WinStation_API_service                        3               -1
eventlog                                          3               -1
Winsock2\CatalogChangeListener-174-0              1                1
atsvc                                             3               -1
wkssvc                                            6               -1
Winsock2\CatalogChangeListener-16c-0              1                1
SessEnvPublicRpc                                  3               -1
spoolss                                           3               -1
Winsock2\CatalogChangeListener-550-0              1                1
trkwks                                            3               -1
NlaSvcTask                                        1               -1
srvsvc                                            5               -1
browser                                           3               -1
Winsock2\CatalogChangeListener-710-0              1                1
Winsock2\CatalogChangeListener-228-0              1                1
Winsock2\CatalogChangeListener-230-0              1                1
HPUPDMon                                          1                1
MsFteWds                                          2               -1
PIPE_EVENTROOT\CIMV2SCM EVENT PROVIDER            1               -1
TDLN-3772-41                                      1                2
TDLN-3216-41                                      1                2
virtio serial drivers are installed on Windows guest VM.
What I am missing here?
Thank you.
                    
                  
                  
                          
                            
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                        Hello,
I have a problem which is that some of my VMs are loosing there IP addresses from time to time. What I saw in the log is when this VM loose its IP address there are DHCPREQUEST send from the VM by dhclient and the server responded only 50 minutes later !
Any help, advise on how to debug would be welcome.
Thanks in advance
Patrick
Here after is an extract from the log
July 1st 2016, 05:08:46.156	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 05:08:46.156	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 05:08:32.003	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:18.274	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:08:03.793	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:54.504	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:40.642	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:22.978	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:07:04.180	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:45.233	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:30.417	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:15.304	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:06:02.203	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:55.780	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:38.227	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:27.970	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:15.183	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:05:04.425	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:56.008	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:39.227	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:24.531	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:04:10.306	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:56.149	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:45.917	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:34.480	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:24.189	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:03:07.038	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:51.557	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:40.088	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:29.963	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:02:11.446	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:53.245	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:32.646	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:23.725	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:01:12.691	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:53.537	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:32.797	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:18.520	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 05:00:11.831	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:53.649	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:45.510	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:38.236	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:59:18.089	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:59.930	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:52.521	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:37.193	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:18.742	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:58:05.088	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:53.879	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:36.308	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:16.716	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:57:07.594	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:54.607	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:34.286	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:24.307	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:56:10.593	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:56.460	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:37.165	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:28.171	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:18.719	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:55:01.360	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:44.150	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:37.490	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:26.746	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:54:12.103	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:54.381	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:42.322	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:30.937	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:53:14.144	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:55.999	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:47.948	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:39.143	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:28.188	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:52:07.857	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:53.381	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:39.750	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:27.260	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:51:06.864	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:53.216	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:36.366	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:27.696	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:50:07.898	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:46.721	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:37.941	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:27.940	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:49:17.156	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.398	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1614 seconds.
10.10.0.10
July 1st 2016, 04:18:02.260	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 04:18:02.260	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:03.644	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1379 seconds.
10.10.0.10
July 1st 2016, 03:55:02.777	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:55:02.777	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:55:02.777	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
July 1st 2016, 03:55:02.776	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:20.065	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
bound to 10.10.0.10 -- renewal in 1422 seconds.
10.10.0.10
July 1st 2016, 03:31:16.303	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPACK from 10.10.0.1 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPREQUEST(virbr1) 10.10.0.10 52:54:10:7d:3a:3f
10.10.0.10
July 1st 2016, 03:31:16.225	
mail.pipiche.net <http://mail.pipiche.net/>	
dhclient
DHCPREQUEST on eth0 to 10.10.0.1 port 67 (xid=0x3d60085a)
10.10.0.1
July 1st 2016, 03:31:16.225	
zen.pipiche.net <http://zen.pipiche.net/>	dnsmasq-dhcp	
DHCPACK(virbr1) 10.10.0.10 52:54:10:7d:3a:3f mail
10.10.0.10
My setup is as followed
- Fedora 24 / Kernel 4.5.7
libvirt-daemon-driver-qemu-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nodedev-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-secret-1.3.3.1-4.fc24.x86_64
libvirt-daemon-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-storage-1.3.3.1-4.fc24.x86_64
libvirt-daemon-kvm-1.3.3.1-4.fc24.x86_64
libvirt-client-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-interface-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-nwfilter-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-driver-network-1.3.3.1-4.fc24.x86_64
libvirt-daemon-config-nwfilter-1.3.3.1-4.fc24.x86_64
- dnsmasq / 2.75-4
- Setup Network - hypervisor side.
There is a bridge configuration, as I have one VM listening to the Internet as well.
ifconfig
br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
        net my ip address  netmask 255.255.255.0  broadcast my ip address
        inet6 fe80::d6ae:52ff:fec7:6694  prefixlen 64  scopeid 0x20<link>
        ether d4:ae:52:c7:66:94  txqueuelen 1000  (Ethernet)
        RX packets 1395299  bytes 291328394 (277.8 MiB)
        RX errors 0  dropped 66  overruns 0  frame 0
        TX packets 629001  bytes 777811458 (741.7 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
        inet6 fe80::d6ae:52ff:fec7:6694  prefixlen 64  scopeid 0x20<link>
        ether d4:ae:52:c7:66:94  txqueuelen 1000  (Ethernet)
        RX packets 7254272  bytes 2658859144 (2.4 GiB)
        RX errors 0  dropped 4923  overruns 0  frame 0
        TX packets 7302074  bytes 6556766298 (6.1 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
sudo iptables-save
[sudo] password for support:
# Generated by iptables-save v1.4.21 on Fri Jul  1 10:50:45 2016
*mangle
:PREROUTING ACCEPT [313661:46683942]
:INPUT ACCEPT [312868:46455263]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204754:109339610]
:POSTROUTING ACCEPT [204754:109339610]
-A POSTROUTING -o virbr1 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
COMMIT
# Completed on Fri Jul  1 10:50:45 2016
# Generated by iptables-save v1.4.21 on Fri Jul  1 10:50:45 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [204361:109206834]
-A INPUT -i virbr1 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -i virbr1 -p udp -m udp --dport 67 -j ACCEPT
-A INPUT -i virbr1 -p tcp -m tcp --dport 67 -j ACCEPT
-A INPUT -i br0 -m set --match-set banned src -j DROP
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -i br0 -p tcp -m state --state NEW -m tcp --dport 23 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -i virbr1 -o virbr1 -j ACCEPT
-A FORWARD -o virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -i virbr1 -j REJECT --reject-with icmp-port-unreachable
-A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
-A FORWARD -m set --match-set banned src -j DROP
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
-A OUTPUT -o virbr1 -p udp -m udp --dport 68 -j ACCEPT
COMMIT
# Completed on Fri Jul  1 10:50:45 2016
<network>
  <name>prd-private-lan</name>
  <uuid>255083f4-05a1-4a24-bc66-d3a3a9ab0724</uuid>
  <bridge name='virbr1' stp='off' delay='0'/>
  <mac address='52:54:00:08:1e:d8'/>
  <domain name='prd.pipiche.net'/>
  <dns>
    <forwarder addr='8.8.4.4'/>
    <forwarder addr='8.8.8.8'/>
  </dns>
  <ip address='10.10.0.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='10.10.0.128' end='10.10.0.254'/>
      <host mac='52:54:10:b6:35:ca' name='svc.prd.pipiche.net' ip='10.10.0.3'/>
      <host mac='52:54:10:32:88:ac' name='admin.prd.pipiche.net' ip='10.10.0.5'/>
      <host mac='52:54:10:5f:92:05' name='frontend.prd.pipiche.net' ip='10.10.0.7'/>
      <host mac='52:54:10:7d:3a:3f' name='mail.prd.pipiche.net' ip='10.10.0.10'/>
      <host mac='52:54:10:30:93:56' name='blog.prd.pipiche.net' ip='10.10.0.21'/>
      <host mac='52:54:10:78:c1:c2' name='cloud.prd.pipiche.net' ip='10.10.0.22'/>
      <host mac='52:54:10:64:00:21' name='web.prd.pipiche.net' ip='10.10.0.25'/>
      <host mac='52:54:10:5a:5f:63' name='dcroche.prd.pipiche.net' ip='10.10.0.26'/>
      <host mac='52:54:10:4c:b2:61' name='trac.prd.pipiche.net' ip='10.10.0.27'/>
      <host mac='52:54:10:62:de:5f' name='git.prd.pipiche.net' ip='10.10.0.62'/>
    </dhcp>
  </ip>
</network>
On the VM side, I’m using NetworkManager
ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.10.0.10  netmask 255.255.255.0  broadcast 10.10.0.255
        inet6 fe80::5054:10ff:fe7d:3a3f  prefixlen 64  scopeid 0x20<link>
        ether 52:54:10:7d:3a:3f  txqueuelen 1000  (Ethernet)
        RX packets 1368559  bytes 304901897 (290.7 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1219893  bytes 2157040102 (2.0 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
 sudo cat /etc/sysconfig/network-scripts/ifcfg-eth0
# Generated by dracut initrd
HWADDR="52:54:10:7d:3a:3f"
DEVICE="eth0"
NAME="eth0"
ONBOOT=yes
NETBOOT=yes
IPV6INIT=no
BOOTPROTO=dhcp
TYPE=Ethernet
DNS1=10.10.0.1
DNS2=8.8.8.8
DNS3=8.8.4.4
                    
                  
                  
                          
                            
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