neutron/doc/source/docbkx/quantum-api-1.0/samples/port-get-detail-res.json

{
    "port":
        {
            "state": "DOWN",
            "id": "98017ddc-efc8-4c25-a915-774b2a633855"
            "attachment":
                {
                    "id": "test_interface_identifier"
                }            
        }
}