{#- 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