OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:42:50:ca:12:5c:e9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:02:06:d6:d6:d3:05
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:46:52:d6:6d:5d:75
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:a2:d3:5b:19:c7:72
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:f5:38:8f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:f5:38:8f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
