Patch new cloud-init bridge configuration issue

Change-Id: Ie6673a30ce751aa4a070d6c0c7612f7bf0f4dd8c
diff --git a/classes/cluster/sl_os_ovs/openstack/compute.yml b/classes/cluster/sl_os_ovs/openstack/compute.yml
index b2a74c2..3140233 100644
--- a/classes/cluster/sl_os_ovs/openstack/compute.yml
+++ b/classes/cluster/sl_os_ovs/openstack/compute.yml
@@ -29,6 +29,9 @@
   linux:
     network:
       bridge: openvswitch
+      concat_iface_files:
+      - src: '/etc/network/interfaces.d/50-cloud-init.cfg'
+        dst: '/etc/network/interfaces'
       interface:
         dhcp_int:
           enabled: true
@@ -63,4 +66,4 @@
           address: ${_param:tenant_address}
           netmask: 255.255.255.0
           use_interfaces:
-          - ${_param:tenant_interface}
\ No newline at end of file
+          - ${_param:tenant_interface}