OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:42:bc:0a:dd:4b:3e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:fb:44:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:26:e0:83:4c:62:0e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:be:30:32:da:ca:34
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:fb:44:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
