OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6fe0b9-0): addr:f2:d5:f5:0c:16:34
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-bd937a-0): addr:12:42:9b:6e:fc:6e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-bcb997-0): addr:3e:0a:1b:dc:f3:66
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:72:4b:e5:de:57:26
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
