On Tue, Dec 11, 2018 at 3:29 PM Markus Schaufler <markus.schaufler@digit-all.at> wrote:

Centos 7.5, ovirt 4.2.7
it works when pinpointing the vm's to a host and enable cpu-passthrough.
but i presume it should work without this workaround too.
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If I remember correctly there is no support/consistence for the L2 systems, that are guests inside an L1 system that is migrated.

So perhaps this limitation drove to force host pinning and prevent having unpredictable results for L2 guests