OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:e2:04:02
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:46:ed:e5:e8:d7:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:c6:81:6e:d0:cc:ef
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:42:65:25:4b:1d:9f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:1a:76:fe:46:4f:4e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:e2:04:02
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
