Fix Contrail 4.0 interface name

Change-Id: Ie01f4d4b43abe471b6975785d597fc85be8623e8
diff --git a/classes/cluster/os_ha_contrail_40/opencontrail/control.yml b/classes/cluster/os_ha_contrail_40/opencontrail/control.yml
index 6b10371..2a1b67d 100644
--- a/classes/cluster/os_ha_contrail_40/opencontrail/control.yml
+++ b/classes/cluster/os_ha_contrail_40/opencontrail/control.yml
@@ -27,6 +27,7 @@
     cluster_node03_address: ${_param:opencontrail_control_node03_address}
     opencontrail_router01_hostname: vsrx01.${_param:cluster_domain}
     opencontrail_router01_address: 172.16.10.131
+    opencontrail_control_interface_name: eth1
   linux:
     network:
       interface: