OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:76:81:0a:8f:bb:ce
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:7e:ee:e5:4b:cd:e4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:76:ec:04:64:b9:8b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:66:31:4f:8c:f0:61
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:9f:ba:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:9f:ba:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
