Adjust k8s network definition related to Contrail refactoring.

Change-Id: I0643175cc3a73e4fd2b1454a6659df65bfcba84e
diff --git a/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/compute.yml b/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/compute.yml
index 11fd26c..f1b3f79 100644
--- a/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/compute.yml
+++ b/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/compute.yml
@@ -37,11 +37,11 @@
         fail_on_swap: ${_param:kubelet_fail_on_swap}
       network:
         engine: opencontrail
-        config:
-          api:
-            host: ${_param:opencontrail_control_address}
-        contrail_cni:
-          image: ${_param:kubernetes_opencontrail_cni_image}
+        contrail:
+          config:
+            api:
+              host: ${_param:opencontrail_control_address}
+          cni_image: ${_param:kubernetes_opencontrail_cni_image}
     common:
       addons:
         virtlet: