OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b58fb6-0): addr:5e:9d:d9:e8:26:0c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(patch-br-int-to): addr:c2:e6:4f:7b:08:64
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 9(tap4cfcdfe5-70): addr:fe:16:3e:69:d9:45
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 10(tapc2a0b5f1-c0): addr:ae:6a:3b:6c:d9:db
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2e:6d:cd:1a:fb:05
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
