fix interface name eth -> ens

Previos patches erroneously configured eth3
interface instead of ens3, thus not allowing
ntw node to properly setup ens3 interface
through linux.network state.

Co-Authored-By: Jan Cach <jcach@mirantis.com>

PROD-23882

Change-Id: I4373417c94d02334eb56ab048d2e08a6f770a7e6
diff --git a/classes/cluster/os-ha-contrail-40/opencontrail/control.yml b/classes/cluster/os-ha-contrail-40/opencontrail/control.yml
index b4937f6..be13a58 100644
--- a/classes/cluster/os-ha-contrail-40/opencontrail/control.yml
+++ b/classes/cluster/os-ha-contrail-40/opencontrail/control.yml
@@ -35,8 +35,8 @@
   linux:
     network:
       interface:
-          eth3: ${_param:linux_dhcp_interface}
-          eth4:
+          ens3: ${_param:linux_dhcp_interface}
+          ens4:
             enabled: true
             name: ${_param:opencontrail_control_interface_name}
             type: eth