Configuring ens3 and ens4 interfaces

The patch configures ens3 and ens4 interfaces in order to
be persistent after reboot.

Change-Id: Ifcba73a7d0c424b970c7dd5aeaf9ae64a3b5a359
diff --git a/classes/cluster/virtual-mcp11-aio/init.yml b/classes/cluster/virtual-mcp11-aio/init.yml
index 614dfd3..e17fd5c 100755
--- a/classes/cluster/virtual-mcp11-aio/init.yml
+++ b/classes/cluster/virtual-mcp11-aio/init.yml
@@ -71,6 +71,16 @@
           proto: static
           address: ${_param:openstack_public_neutron_subnet_gateway}
           netmask: 255.255.255.0
+        ens4:
+          enabled: true
+          type: eth
+          proto: static
+          address: ${_param:single_address}
+          netmask: 255.255.255.0
+        ens3:
+          enabled: true
+          type: eth
+          proto: dhcp
 # override on this level
   nova:
     compute: