OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:42:30:c9:3c:3b:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:f4:b3:f9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:7a:73:0d:db:16:8f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:da:d5:2b:bf:24:69
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:9a:f1:ad:4e:9d:4b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:f4:b3:f9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
