Added 2 roles for net-interfaces. Useful when using no bonds

Change-Id: I9a6911f7c634404d38305faa2cdac1fc26b55133
diff --git "a/\173\043 interfaces \043\175/single_ovs_br_prv" "b/\173\043 interfaces \043\175/single_ovs_br_prv"
new file mode 100644
index 0000000..17645e6
--- /dev/null
+++ "b/\173\043 interfaces \043\175/single_ovs_br_prv"
@@ -0,0 +1,14 @@
+{#- Tenant over VLAN. For computes with dedicated physical interface for tenant networks. #}
+              # {{ interfaces_role }}
+              {%- set interface_name = interfaces.keys()[0] %}
+              {{ interface_name }}:
+                enabled: true
+                name: {{ interface_name }}
+                mtu: ${_param:interface_mtu}
+                proto: manual
+                type: eth
+                ovs_bridge: br-prv
+                ovs_type: OVSPort
+              br-prv:
+                enabled: true
+                type: ovs_bridge
\ No newline at end of file