OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:33:35:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:0e:0a:15:79:6e:a9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:ea:37:d4:c0:9e:1c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:12:61:ed:5b:5c:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:de:95:40:59:e6:b3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:33:35:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
