OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e716d6-0): addr:72:ea:89:c7:52:55
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(tapa6acaedc-5f): addr:fe:16:3e:d3:0d:bf
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 9(tap33bcb7a6-30): addr:aa:a5:36:c8:43:e1
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 14(patch-br-int-to): addr:96:43:b4:d9:f4:e5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:4e:c1:0a:45:7d:b4
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
