Change K8s version for OC4.0 + fix keepalived

Change-Id: I5f897d0cdda0034bf62495ab88342aa28162dcf7
diff --git a/classes/cluster/k8s-ha-contrail-40/opencontrail/init.yml b/classes/cluster/k8s-ha-contrail-40/opencontrail/init.yml
index 3a29757..4ec9301 100644
--- a/classes/cluster/k8s-ha-contrail-40/opencontrail/init.yml
+++ b/classes/cluster/k8s-ha-contrail-40/opencontrail/init.yml
@@ -25,3 +25,6 @@
     openstack_version: none
     openstack_control_address: none
     keystone_admin_password: none
+
+    keepalived_vip_interface: ens4
+    keepalived_vip_address: ${_param:opencontrail_control_address}