Re: [libvirt] libvirt not wanting to read back its own interface XML

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.