OFPST_PORT_DESC reply (xid=0x2):
 1(tap79db6abb-64): addr:fa:16:3e:93:f2:fa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(o-hm0): addr:fa:16:3e:bd:0d:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(tapa7240a30-00): addr:f2:07:24:d4:79:74
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(tapa3299d4f-10): addr:fa:16:3e:13:4f:7a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(tap1f9b6d7f-29): addr:fa:16:3e:0c:20:72
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:ba:6b:6d:42:95:9a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(tapd11e7064-4d): addr:fe:16:3e:87:25:cd
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 8(tap970382f0-00): addr:e6:35:6e:9c:5d:0d
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 9(tape50b305f-d7): addr:fe:16:3e:0d:1d:e1
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:72:37:f8:6f:d9:3c
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
