OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a7eeb7-0): addr:6a:f4:9d:8b:a2:72
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:52:da:00:9c:74:87
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
