Comment 17 for bug 1798475

Another LOG entry:
Jan 12 21:46:21 ubuntu-xenial-ovh-gra1-0001668446 Keepalived_vrrp[5667]: VRRP_Instance(VR_1) Received advert with higher priority 50, ours 50

And the ovs-agent has such log which set ha-port from DOWN to ACTIVE:
http://logs.openstack.org/48/609848/7/check/neutron-fullstack/8dc2558/logs/dsvm-fullstack-logs/TestHAL3Agent.test_ha_router_restart_agents_no_packet_lost/neutron-openvswitch-agent--2019-01-12--21-45-15-507088.txt.gz#_2019-01-12_21_46_21_389