OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8ded69-0): addr:32:9c:0e:cd:d5:dd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c4ce87-0): addr:26:a8:6c:84:b1:12
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ee:3b:2c:68:a7:24
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
