OFPST_PORT_DESC reply (xid=0x2):
 2(o-hm0): addr:fa:16:3e:db:61:5b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(tap40f0b111-87): addr:fa:16:3e:78:cd:f0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(tap4fe96731-b1): addr:fa:16:3e:5f:2c:3c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:d6:6c:f6:3f:a2:29
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(tap559d0870-b0): addr:62:a5:31:6d:ba:b1
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 9(tap77fbd3a8-0b): addr:fe:16:3e:46:52:36
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 10(ovn-a7bc05-0): addr:4e:43:90:8b:b0:d4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 11(tap649d8866-78): addr:fa:16:3e:10:d9:9a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 12(tap6adcb8fa-4e): addr:fa:16:3e:f5:68:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 13(tape9431664-c4): addr:fe:16:3e:00:2e:ed
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c2:52:50:2e:65:78
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
