OpenContrail 4 add restart:always for containers

Change-Id: I822cd7c9448e1f06da7e77d6ee809f09e1e28d81
diff --git a/opencontrail/control/cluster4_0.yml b/opencontrail/control/cluster4_0.yml
index 611eb24..17aef3a 100644
--- a/opencontrail/control/cluster4_0.yml
+++ b/opencontrail/control/cluster4_0.yml
@@ -147,11 +147,13 @@
                 - /etc/zookeeper/conf/log4j.properties:/etc/zookeeper/conf/log4j.properties
               network_mode: "host"
               privileged: true
+              restart: always
             analytics:
               image: ${_param:opencontrail_analytics_image}
               container_name: ${_param:opencontrail_analytics_container_name}
               network_mode: "host"
               privileged: true
+              restart: always
               volumes:
                 - /etc/contrail:/etc/contrail
                 - /etc/redis/redis.conf:/etc/redis/redis.conf
@@ -174,3 +176,4 @@
                 - /etc/zookeeper/conf/log4j.properties:/etc/zookeeper/conf/log4j.properties
               network_mode: "host"
               privileged: true
+              restart: always