Live-migration issue with "NotImplementedError: Cannot load 'vif_type' in the base class"
Issue
- On our platform OSP16/Contrail2011, the live-migration fails with this log on the compute node:
2021-03-30 12:43:47.278 7 ERROR oslo_messaging.rpc.server NotImplementedError: Cannot load 'vif_type' in the base class
Environment
- Red Hat OpenStack Platform 16.1.5 and below (RHOSP)
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