OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:c0:d1:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:4a:fd:b6:1c:b8:24
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:be:f1:0d:b3:fb:37
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:1e:1c:04:1d:e9:9b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:5a:81:fe:e0:9e:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:c0:d1:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
