nfv labs fixes

Change-Id: Ide4186a9e98411b4ecc260b589fca7ff990abc6c
diff --git a/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/gateway.yml b/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/gateway.yml
index 749df07..1cf25df 100644
--- a/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/gateway.yml
+++ b/classes/cluster/virtual-mcp11-ovs-dpdk/openstack/gateway.yml
@@ -72,6 +72,8 @@
         br-prv:
           enabled: true
           type: ovs_bridge
+          address: ${_param:tenant_address}
+          netmask: 255.255.255.0
         floating-to-prv:
           enabled: true
           type: ovs_port