OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:7a:a6:4b:8f:a3:d4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:26:51:53:77:60:4b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:8a:64:fb:81:66:79
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:02:62:96
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:02:62:96
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
