On 10/05/2019 14:44, Michal Privoznik wrote: > On 5/10/19 3:26 PM, lejeczek wrote: >> hi guys >> >> I have a qemu guest and openvswitch bridge and the guest fails to start: >> >> $ virsh start work8 >> error: Failed to start domain work8-vm-win2016 >> error: Cannot get interface MTU on 'ovsbr0': No such device > > Well, this means that 'ovsbr0' doesn't exist. Is that so? Can you > share your <interface/> configuration and the network XML? > > Michal qemu's: (fails to start) <interface type='network'> <mac address='52:54:00:20:e1:47'/> <source network='ovs-br0' portgroup='vlan-54'/> <model type='virtio'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/> </interface> LXC's: (starts) <interface type='network'> <mac address='52:54:00:53:ac:e5'/> <source network='ovs-br0' portgroup='vlan-55'/> <model type='virtio'/> </interface> This is Openvswitch' bridge thus does not exits as "iface" per say, but this is how it should be used in libvirt, I think, no? LXC works okey. How is it different for Qemu? thanks, L
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