OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:de:8c:27:95:8a:e0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:32:39:95:3b:12:e0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:8a:1a:da:4f:3e:97
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:59:50:eb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:59:50:eb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
