OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cd2e60-0): addr:0a:06:d4:25:a1:a4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-9500eb-0): addr:e6:58:48:7d:4c:da
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-be95dc-0): addr:2e:36:43:7c:cd:96
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-2587fe-0): addr:f2:30:3c:0e:a2:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-4d166c-0): addr:5a:3c:95:24:37:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(tap51dc7089-37): addr:fa:16:3e:42:a2:02
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(tap71143481-6b): addr:fa:16:3e:5d:40:ed
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(patch-br-int-to): addr:22:d6:c9:a6:e6:9c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b2:4b:f2:6d:d1:07
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
