Fixed health_manager.bind_ip for IPv6 networks

Author: gthiemonge

templates/octaviaamphoracontroller/config/octavia.conf

@@ -16,7 +16,7 @@ mysql_wsrep_sync_wait = 7
 heartbeat_key={{ .HeartbeatKey }}
 health_update_threads=4
 stats_update_threads=4
-bind_ip=0.0.0.0
+bind_ip=::
 controller_ip_port_list={{ .ControllerIPList }}
 # heartbeat_key=FIXMEkey1
 [keystone_authtoken]