OFPST_PORT_DESC reply (xid=0x2):
 2(o-hm0): addr:fa:16:3e:85:dd:ec
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(tap3648c1bf-aa): addr:fa:16:3e:40:b4:c8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(tapca2e6fcb-46): addr:fa:16:3e:ce:a2:fb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:16:11:4d:63:e2:e5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(tap35f55e03-20): addr:3e:2f:09:f2:05:43
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 9(tapd922d95f-08): addr:fe:16:3e:2c:30:f6
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 10(ovn-d3b181-0): addr:5a:5b:5d:4a:e1:13
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 11(tap8fce4f67-0a): addr:fa:16:3e:49:12:f2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 12(tap1bf1eef1-a9): addr:fa:16:3e:e3:06:dd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 14(tap814364e1-ff): addr:fe:16:3e:6a:4b:42
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:02:36:21:d9:b2:37
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
