[libvirt-users] bridge could not be initialized

[Kashyap Chamarthy]

On Thu, Jun 19, 2014 at 10:29:12AM +0300, Laine Stump wrote:
> On 06/18/2014 04:43 PM, abhishek jain wrote:
> > Hi
> >
> > I'm trying to run VM using libvirt.xml file and getting following error...
> >
> > virsh start instance-00000003
> >
> > error: Failed to start domain instance-00000003
> > error: internal error Process exited while reading console log output:
> > failed to launch bridge helper
> > kvm: -netdev bridge,br=qbr1f2191ce-38,id=hostnet0: Device 'bridge'
> > could not be initialized
> 

[. . .]

> 2) it looks like this config was generated by OpenStack. Why are you
> starting it via virsh? I don't use OpenStack myself, but am assuming
> that a lot of the objects referenced in an OpenStack-generated libvirt
> domain config are auto-created by some piece of OpenStack code just
> prior to starting the domain. For example, the bridge device (there is a
> separate bridge device created per guest interface) and the filter that
> is applied to that interface (likewise). I was of the impression that
> OpenStack instances needed to be started from some sort of OpenStack
> management app, *not* from virsh.

Yes, it's not recommended to start Nova instances behind its back using
Libvirt/virsh.

-- 
/kashyap