OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8adcd5-0): addr:1e:5c:a3:38:4e:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-b07644-0): addr:5e:59:82:d6:ca:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 9(patch-br-int-to): addr:7a:ff:b8:11:71:b2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 47(tap1a80e5ae-b9): addr:fe:16:3e:9b:e6:f9
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 48(tap6f3aa63a-50): addr:de:a7:8b:7f:9a:e8
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 50(tapefb05e2c-97): addr:fe:16:3e:06:d6:20
     config:     0
     state:      0
     current:    10MB-FD COPPER
     speed: 10 Mbps now, 0 Mbps max
 51(tapc3a0576d-30): addr:5a:1d:be:ff:05:5e
     config:     0
     state:      0
     current:    10GB-FD COPPER
     speed: 10000 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:7a:c6:d1:73:36:bd
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
