OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:86:e7:ee:e0:38:10
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:86:9a:2d:bc:d9:31
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:46:a4:5b:d6:47:58
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:4a:9b:ae:53:9b:6b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:38:be:64
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:38:be:64
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
