add host-management network

Change-Id: I2644b13be41a840705a5aa2294ec68246167c562
diff --git a/cord-pod/make-vtn-external-yaml.sh b/cord-pod/make-vtn-external-yaml.sh
index 6cba10e..a100e82 100644
--- a/cord-pod/make-vtn-external-yaml.sh
+++ b/cord-pod/make-vtn-external-yaml.sh
@@ -101,6 +101,20 @@
               node: service#ONOS_CORD
               relationship: tosca.relationships.MemberOfService
 
+    # VTN dataPlaneIntf field for node $NODE
+    ${NODE}_hostManagementIface_tag:
+      type: tosca.nodes.Tag
+      properties:
+          name: hostManagementIface
+          value: veth3
+      requirements:
+          - target:
+              node: $NODE
+              relationship: tosca.relationships.TagsObject
+          - service:
+              node: service#ONOS_CORD
+              relationship: tosca.relationships.MemberOfService
+
 EOF
 done