OFPST_PORT_DESC reply (xid=0x2):
 2(o-hm0): addr:fa:16:3e:08:4d:1d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(tapf0fc7efb-c1): addr:fa:16:3e:59:9d:47
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(tap11948c2c-4e): addr:fa:16:3e:bb:80:58
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:5a:42:a0:66:ee:b0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(tap6cb953c4-60): addr:a2:6f:af:3f:af:0c
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 9(tap1925f646-4a): addr:fe:16:3e:71:24:62
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 10(ovn-f56c0f-0): addr:32:e3:d9:dc:ec:9e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 11(tapb46e8b72-ea): addr:fa:16:3e:57:b2:ca
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 12(tap5b9c3b72-35): addr:fa:16:3e:ce:e0:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 13(tap38dfa746-a8): addr:fe:16:3e:36:ce:c9
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:4e:81:a0:ab:eb:ad
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
