Fix net for contrail.

* Moved keepalived from ens3 to vhost0.
* Moved haproxy for k8s to vhost0.
* Changed netchecker images versions to stable label.

Change-Id: Iacfc379e405660bba075cc713cd4183717864025
diff --git a/classes/cluster/k8s-ha-contrail/kubernetes/control.yml b/classes/cluster/k8s-ha-contrail/kubernetes/control.yml
index f086fd7..6ce6d67 100644
--- a/classes/cluster/k8s-ha-contrail/kubernetes/control.yml
+++ b/classes/cluster/k8s-ha-contrail/kubernetes/control.yml
@@ -8,7 +8,7 @@
 - cluster.k8s-ha-contrail
 parameters:
   _param:
-    keepalived_vip_interface: ens3
+    keepalived_vip_interface: vhost0
     keepalived_vip_virtual_router_id: 60
   etcd:
     server:
@@ -44,6 +44,8 @@
           image: ${_param:kubernetes_externaldns_image}
           provider: ${_param:kubernetes_externaldns_provider}
     master:
+      kubelet:
+        address: ${_param:single_address}
       etcd:
         ssl:
           enabled: true