OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:c6:bf:be:2a:4f:d3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:86:f7:76:d9:95:ef
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:62:af:e5:77:02:7a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:96:a5:71
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:96:a5:71
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
