Change K8s version for OC4.0 + fix keepalived

Change-Id: I5f897d0cdda0034bf62495ab88342aa28162dcf7
diff --git a/classes/cluster/k8s-ha-contrail-40/kubernetes/compute.yml b/classes/cluster/k8s-ha-contrail-40/kubernetes/compute.yml
index bd0ebb7..a27bde9 100644
--- a/classes/cluster/k8s-ha-contrail-40/kubernetes/compute.yml
+++ b/classes/cluster/k8s-ha-contrail-40/kubernetes/compute.yml
@@ -57,4 +57,4 @@
           - ${linux:system:name}
       hyperkube:
         image: ${_param:kubernetes_hyperkube_image}
-#        pause_image: ${_param:kubernetes_pause_image}
+