OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:fa:cb:ab:4c:f4:9b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:5a:59:2e:50:67:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:2a:79:c7:4d:fb:31
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:96:11:45:76:6b:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:62:15:60
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:62:15:60
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
