Set ipflush_onchange on cmp and gtw nodes for mitaka/newton models

Change-Id: I24ef01e6f63a6acf2275ca5f84c85a266dce004c
Related-PROD: PROD-16793
diff --git a/classes/cluster/virtual-mcp-mitaka-dvr/openstack/compute.yml b/classes/cluster/virtual-mcp-mitaka-dvr/openstack/compute.yml
index dd9f4c6..9e41e85 100644
--- a/classes/cluster/virtual-mcp-mitaka-dvr/openstack/compute.yml
+++ b/classes/cluster/virtual-mcp-mitaka-dvr/openstack/compute.yml
@@ -34,3 +34,28 @@
         topics: "notifications,${_param:stacklight_notification_topic}"
         notify_on:
           state_change: vm_and_task_state
+  linux:
+    network:
+      bridge: openvswitch
+      interface:
+        primary_interface:
+          enabled: true
+          ipflush_onchange: true
+          name: ${_param:primary_interface}
+          mtu: ${_param:interface_mtu}
+          proto: manual
+          type: eth
+        tenant_interface:
+          enabled: true
+          ipflush_onchange: true
+          name: ${_param:tenant_interface}
+          mtu: ${_param:interface_mtu}
+          proto: manual
+          type: eth
+        external_interface:
+          enabled: true
+          ipflush_onchange: true
+          name: ${_param:external_interface}
+          mtu: ${_param:interface_mtu}
+          proto: manual
+          type: eth
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