On Wed, Oct 18, 2017 at 04:48:45PM +0200, 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?
Hm, weird. Before looking at where the problem is, it could be easier to find if we knew how virt-manager was able to define this. Can you look at the logs for the XML from virt-manager?
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