OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:e2:07:f8:14:3f:52
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:4a:f7:95:32:38:02
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:f2:23:9d:7e:bd:c0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:56:5e:a0:3e:78:30
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:72:c2:16
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:72:c2:16
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
