OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:8a:e0:66:18:f1:86
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:c6:18:10:d7:9a:16
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:ae:c7:67:96:bc:ed
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:c8:5c:ff
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:c8:5c:ff
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
