Comment 1 for bug 1880389

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sean mooney (sean-k-mooney) wrote :

i suspect this is related to https://bugs.launchpad.net/neutron/+bug/1815989

in the case of ovs we know there is an unavoidable race betwen ovs libvirt and the neuton l2 agent.
or rather there is a race that can only be solved via a change to the l2 agent and removing libvirt form network configutation of the ovs ports.

i did not belive this race existed for linux bridge but its possible that it does.
i will need to check the code but could you provide the libvirt version you are using and ideally
a sample of the libvirt xml that we generated. if you can provide the nova compute log for both the souce and destion host and the neutron linux bridge l2 agent log for the time period during the migration that should contain all the info we need if they are running in debug log level.