FWIW, calling setup_networks_on_host() from post_live_migration_at_destination() was added way back in Essex:
https://github.com/openstack/nova/commit/0c7a54b3b44f849bf397bb4068ab16c576c3559c
So it was primarily a nova-network thing (was Quantum even being used in Essex?).
FWIW, calling setup_networks_ on_host( ) from post_live_ migration_ at_destination( ) was added way back in Essex:
https:/ /github. com/openstack/ nova/commit/ 0c7a54b3b44f849 bf397bb4068ab16 c576c3559c
So it was primarily a nova-network thing (was Quantum even being used in Essex?).