On 10/19/2017 12:10 PM, Marc Haber wrote:
On Thu, Oct 19, 2017 at 11:52:34AM +0200, Michal Privoznik wrote:
> On 10/18/2017 04:48 PM, Marc Haber wrote:
>> Hi,
>>
>> I'm trying to give libvirt knowlegde of a VLAN interface that is
>> configured by a different means and not by libvirt. To figure out the
>> syntax, I created a VLAN interface through virt-manager and dumped out
>> the XML:
>>
>> <interface type='vlan' name='ens3.180'>
>> <protocol family='ipv6'>
>> <ip address='2a01:4f8:150:436c::55:100' prefix='64'/>
>> <ip address='fe80::5054:ff:fe30:e0d1' prefix='64'/>
>> </protocol>
>> <link speed='4294967295' state='up'/>
>> <vlan tag='180'>
>> <interface name='ens3'/>
>> </vlan>
>> </interface>>>>
>> I then removed the Interface in virt-manager and tried to have libvirt
>> read back its own XML.
>>
>> [12/784]mh@testsid85:~ $ virsh iface-dumpxml ens3.180 > ens3.180.xml
>> [13/785]mh@testsid85:~ $ virsh iface-define ens3.180.xml
>> error: Failed to define interface from ens3.180.xml
>> error: XML error: could not get interface XML description: XML invalid -
Expecting an element start, got nothing
>>
>> What is going on here? How do I define a VLAN interface via XML?
>
> This is weird. However, I'm unable to reproduce with the latest libvirt.
> What's your version? Have you tried the latest one?
I have Debian unstable, libvirt 3.8.0.
Aha! the thing is, you're using netcf backend while I'm using the udev
one. This error message comes from netcf. It's a netcf's bug. CCing
Laine who should know more.
Michal