OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-7ba29b-0): addr:66:0a:0b:0c:44:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:56:f2:33:17:e8:9b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
