k8s version bump to 1.6

Change-Id: I6a76761e34a72371649c51ed2f68f098ae4752fb
diff --git a/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/compute.yml b/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/compute.yml
index 15af706..3c7c8c2 100644
--- a/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/compute.yml
+++ b/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/compute.yml
@@ -7,7 +7,7 @@
 - cluster.virtual-mcp11-k8s-contrail.opencontrail.compute
 parameters:
   _param:
-    kubernetes_hyperkube_image: docker-prod-virtual.sandbox.mirantis.net/mirantis/kubernetes/hyperkube-amd64:v1.5.4-5
+    kubernetes_hyperkube_image: docker-prod-virtual.sandbox.mirantis.net/mirantis/kubernetes/hyperkube-amd64:v1.6.2-2
 
   docker:
     host: