Fix single interface for ovs-dpdk (network bridge=openvswitch)

Change-Id: Ic7835dc17a294b758e37f8dbc2bffc74a95ea541
diff --git "a/\173\043 interfaces \043\175/single_ovs_dpdk_prv" "b/\173\043 interfaces \043\175/single_ovs_dpdk_prv"
index a6018ee..cf006ca 100644
--- "a/\173\043 interfaces \043\175/single_ovs_dpdk_prv"
+++ "b/\173\043 interfaces \043\175/single_ovs_dpdk_prv"
@@ -4,6 +4,7 @@
 {#-   _param:tenant_address         #}
 {#-   _param:tenant_network_netmask         #}
               # {{ interfaces_role }}
+              {{- set_param('linux_network_bridge', 'openvswitch') }}
               {%- for interface_name, interface in interfaces.items() %}
               dpdk0:
                 driver: igb_uio