OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ca:0e:3b:ba:f3:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:fb:74:47
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:3e:45:5b:01:78:98
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:b6:2b:c9:3d:e7:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:3e:a1:5b:78:67:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:fb:74:47
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
