OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3fb08d-0): addr:12:6a:35:a4:a8:db
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:d7:80:c8:ad:bf
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
