On 05/01/2014 12:01 PM, Laine Stump wrote: > On 04/30/2014 05:01 PM, Oleg Bondarev wrote: >> Hi, >> >> Can anyone please help with the following: I have a running instance >> with interface >> >> <interface type='bridge'> >> <mac address='fa:16:3e:ba:a4:67'/> >> <source bridge='br100/> >> <target dev='vnet0'/> >> <model type='virtio'/> >> <filterref filter='nova-instance-instance-00000001-fa163ebaa467'/> >> <alias name='net0'/> >> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' >> function='0x0'/> >> </interface> >> >> what I need is to clear network interface on the instance. I tried >> virsh update-device with following xml: >> >> <interface type='bridge'> >> <mac address='fa:16:3e:ba:a4:67'/> >> <source bridge='br100/> >> <model type='virtio'/> >> </interface> >> >> but this results in the following error: >> $ sudo virsh update-device 13 xml.xml --persistent --live --config >> error: Failed to update device from xml.xml >> error: End of file while reading data: Input/output error >> error: Failed to reconnect to the hypervisor >> >> and libvirt is restarted. Is it possible to clear nw filter at all? > > Yes, changing the filterref of the interface of a running domain has > been supported since v1.0.1, but you've found a genuine bug! I've > reproduced it on my system with the last sources from git, produced a > patch to fix it, and posted it to the upstream list: > > http://www.redhat.com/archives/libvir-list/2014-May/msg00005.html > > Once this is ACKed and pushed, I'll pull it into the maintenance > branches back to 1.0.1.
The patch is now pushed upstream to master and to all existing -maint branches that have the bug. There is also a bug filed against the Fedora 20 build of libvirt to track it there: https://bugzilla.redhat.com/show_bug.cgi?id=1093301 commit 0eac9d1e90fc3388030c6109aeb1f4860f108054
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