OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9b5ed7-0): addr:02:2c:12:92:ab:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-ade391-0): addr:be:49:31:3f:3c:f5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-b7d5b3-0): addr:52:51:09:0a:23:29
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-c237ed-0): addr:22:6f:a2:5c:a1:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-49b8a0-0): addr:82:b7:1d:9e:17:fd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 9(tapd3912d14-a3): addr:fe:16:3e:cf:aa:3b
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 10(patch-br-int-to): addr:02:06:cf:6e:e7:61
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 11(tapbcac49fc-c0): addr:ba:95:94:70:78:46
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:5e:32:9d:9d:34:39
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
