OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ae:f5:83:7b:fb:06
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:fa:96:0e:b6:32:0f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:86:8f:8f:bc:d8:a0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:59:d7:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:59:d7:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
