This may require caveats, I'm not sure backup & restore works on the compute nodes, and we do irreversible changes to the way VMs are plugged into br-int on all compute nodes. We should open a RHBZ for this and start a conversation between the OVN squad and the backup & restore squad to see what can we do, what did we test, and how should we document it here. Reported by: amuller https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/16.1/html/networking_with_open_virtual_network/migrating-ml2ovs-to-ovn#annotations:533e88bb-da87-4166-a72a-191b1af3147f