OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ba:d6:91:fe:bf:51
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:5e:14:da:b3:14:f6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:d2:6f:1a:92:23:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:32:17:69:5e:e6:bc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:61:09:90
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:61:09:90
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
