[ovs-discuss] Error starting domain: internal error: Unable to add port vnet0 to OVS bridge br0
Gregory Rose
gvrose8192 at gmail.com
Mon Mar 11 18:08:54 UTC 2019
On 3/8/2019 3:49 AM, Harsh Gondaliya wrote:
> I am trying to create a VM with its port attached to the OVS bridge. I
> have created an OVS bridge br0 and then followed instructions
> mentioned on this page to edit the XML file of VM:
> http://docs.openvswitch.org/en/latest/howto/libvirt/
>
> I have updated my Domain XML file for the VM to something like this:
> <interface type='bridge'>
> <mac address='52:54:00:b1:72:f7'/>
> <source bridge='br0'/>
> <virtualport type='openvswitch'>
> <parameters interfaceid='193246cd-d7b8-4bbb-8ad7-4b0b4c933004'/>
> </virtualport>
> <model type='virtio'/>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x07'
> function='0x0'/>
> </interface>
This looks correct to me - I use the same on my VM's with libvirt on
several RHEL 7 systems. It does not seem to work with libvirt on Ubuntu
though and I haven't tried others.
>
> But, as soon as I start VM using the Virtual Machine Manager, I get
> this error: */Error starting domain: internal error: Unable to add
> port vnet0 to OVS bridge br0/*
> This explanation is given for the error:
> Traceback (most recent call last):
> File "/usr/share/virt-manager/virtManager/asyncjob.py", line 90, in
> cb_wrapper
> callback(asyncjob, *args, **kwargs)
> File "/usr/share/virt-manager/virtManager/asyncjob.py", line 126, in
> tmpcb
> callback(*args, **kwargs)
> File "/usr/share/virt-manager/virtManager/libvirtobject.py", line
> 83, in newfn
> ret = fn(self, *args, **kwargs)
> File "/usr/share/virt-manager/virtManager/domain.py", line 1402, in
> startup
> self._backend.create()
> File "/usr/lib/python2.7/dist-packages/libvirt.py", line 1035, in create
> if ret == -1: raise libvirtError ('virDomainCreate() failed',
> dom=self)
> libvirtError: internal error: Unable to add port vnet0 to OVS bridge br0
>
> I am very new to this tool and am not able to figure out what could be
> done to resolve this error. Any help in this regard would be great.
The libvirt folks will be able to help you more than we can on this list.
- Greg
>
> Regards,
> Harsh
>
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> discuss at openvswitch.org
> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
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