OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:c2:c6:d3:bc:6b:e1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:a2:7b:fd:ef:77:9d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:da:16:16:8a:b7:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:ee:ad:7e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:ee:ad:7e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
