charm-openvswitch-odl/src/templates/mac_registration

{
    "neutron-device-map:physicalNetwork": {
        "name": "{{ network }}",
        "device": [
            {
                "interface": [
                    {
                        "macAddress": "{{ mac }}",
                        "interface-name": "{{ interface }}"
                    }
                ],
                "device-name": "{{ vpp_host }}",
                "device-type": "{{ device_type }}"
            }
        ]
    }
}