/var/log/neutron/openvswitch-agent.log:2018-03-20 07:06:27.774 74754 INFO neutron.agent.common.ovs_lib [req-2b021af0-b34f-48ea-b5fb-5c7fbc405c84 - - - - -] Port 0e61a763-0f0b-4543-aab7-b9e35786ce7f not present in bridge br-int

/var/log/nova/nova-compute.log:2018-03-20 07:25:46.156 86123 WARNING nova.compute.manager [req-1c87bc16-c813-4d68-bb1f-37782d97ce1c 6eeb6b8ede6f4affba2010423020a02d 304b317cd12d4e279420fbd531fac045 - - -] [instance: 6d2a038e-6ac6-4000-a455-5e69f9a6fcbb] Received unexpected event network-vif-plugged-0e61a763-0f0b-4543-aab7-b9e35786ce7f for instance