Run keepalived in unicast mode.

vars/main.yml

@@ -4,7 +4,7 @@ haproxy_ha_with_keepalived: True
 
 keepalived_install: True
 keepalived_vrouter_id: '{{ docker_swarm_keepalived_vrouter_id }}'
-keepalived_use_unicast: False
+keepalived_use_unicast: True
 keepalived_floating_ip1: '{{ docker_swarm_keepalived_floating_ip }}'
 keepalived_instance1_name: '{{ docker_swarm_keepalived_instance_name }}'
 keepalived_nagios_check: False
@@ -35,6 +35,8 @@ keepalived_instances:
       - '{{ keepalived_script1_name }}'
     authentication: PASS
     authpass: '{{ keepass_auth_pwd }}'
+    keepalived_unicast_src_ip: '{{ ansible_default_ipv4.address }}'
+    keepalived_unicast_peer_ip: '{{ keepalived_unicast_remote_peer }}'
 
 keepalived_notify_extra_params: |
   case $STATE in