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_floating" "b/\173\043 interfaces \043\175/single_ovs_br_floating"
new file mode 100644
index 0000000..644186e
--- /dev/null
+++ "b/\173\043 interfaces \043\175/single_ovs_br_floating"
@@ -0,0 +1,28 @@
+{#- Public network. For gateway nodes and computes with dvr #}
+              # {{ interfaces_role }}
+              {%- set interface_name = interfaces.keys()[0] %}
+              {{ interface_name }}:
+                enabled: true
+                name: {{ interface_name }}
+                mtu: ${_param:interface_mtu}
+                proto: manual
+                type: eth
+              br-floating:
+                enabled: true
+                type: ovs_bridge
+                mtu: ${_param:interface_mtu}
+              float-to-ex:
+                enabled: true
+                type: ovs_port
+                mtu: ${_param:interface_mtu}
+                bridge: br-floating
+              br-ex:
+                enabled: true
+                type: bridge
+                mtu: ${_param:interface_mtu}
+                address: ${_param:external_address}
+                netmask: 255.255.255.0
+                use_interfaces:
+                - {{ interface_name }}
+                use_ovs_ports:
+                - float-to-ex
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