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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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