OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-067cc6-0): addr:de:ee:8b:1c:b6:d0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(tape30c96d9-a4): addr:fe:16:3e:ee:b1:16
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 9(tap1a475a56-c0): addr:ea:16:12:ba:92:4d
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 10(tap74f3349c-6e): addr:fe:16:3e:de:6d:2b
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 12(tap2110f6a1-70): addr:72:41:bd:53:9a:45
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 14(patch-br-int-to): addr:3e:41:ab:c5:9b:48
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c2:51:8c:be:da:38
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
