OFPST_PORT_DESC reply (xid=0x2):
 1(tap4b91c479-b2): addr:fa:16:3e:3d:f9:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(o-hm0): addr:fa:16:3e:61:56:b3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(tap6981cc21-d0): addr:a2:dd:11:47:83:8d
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 4(tap75193b64-55): addr:fa:16:3e:c2:83:9f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(tape3606e1f-9e): addr:fa:16:3e:9b:1d:55
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:1e:c0:d6:10:d5:ca
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(tap93503e72-50): addr:3a:c2:30:af:f9:21
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 9(tap53613548-36): addr:fe:16:3e:ba:44:39
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 10(ovn-905203-0): addr:e2:29:80:2c:fe:9a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 11(tap8189f8cd-61): addr:fa:16:3e:48:5d:fa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 12(tapeb3c9c24-3d): addr:fa:16:3e:e6:76:75
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 14(tapef9c1e2e-c7): addr:fe:16:3e:a1:55:da
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:42:31:e2:f5:47:3c
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
