OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:2c:c2:61
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:ce:76:cc:fc:bc:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:da:fd:c8:74:db:33
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:0e:09:f3:ca:a4:e2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:12:04:9b:e3:93:e3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:2c:c2:61
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
