
option 'ha_vrrp_health_check_interval' is needed to fix split-brain in HA router[1][2], we should add this to l3_agent.ini. [1] https://bugs.launchpad.net/neutron/+bug/1365461 [2] https://bugs.launchpad.net/neutron/+bug/1375625 [3] https://docs.openstack.org/ocata/networking-guide/deploy-ovs-ha-vrrp.html#keepalived-vrrp-health-check Change-Id: I3f38f09068c17e3ed790611ffe5e445d14318cd1 Closes-bug: #1698992