OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-17d54b-0): addr:be:79:ff:cf:f9:f2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:92:09:13:a8:21:ed
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
