Add support of multiple CNIs

Change-Id: Ib2fba96acfd63830bbc6ba4bdce0112ca492df1f
diff --git a/tests/pillar/master_contrail.sls b/tests/pillar/master_contrail.sls
index a023108..627b032 100644
--- a/tests/pillar/master_contrail.sls
+++ b/tests/pillar/master_contrail.sls
@@ -3,7 +3,8 @@
     cluster_domain: cluster.local
     cluster_name: cluster
     network:
-      engine: opencontrail
+      cnis:
+      - opencontrail
     hyperkube:
       image: hyperkube-amd64:v1.6.4-3
       hash: hnsj0XqABgrSww7Nqo7UVTSZLJUt2XRd
@@ -74,7 +75,8 @@
       address: 10.0.175.100
       allow_privileged: true
     network:
-      engine: opencontrail
+      cnis:
+      - opencontrail
       contrail:
         config:
           api: