OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:8e:e0:fe:4d:26:6c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:d6:8f:77:a3:84:da
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:5a:d5:ef:21:19:5f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:0e:ed:57:e8:d9:fd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:60:4f:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:60:4f:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
