OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:b3:5a:d8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:aa:8c:62:83:c6:53
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:de:f6:2c:b0:e4:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:a6:86:7f:cc:39:59
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:0a:49:14:38:cc:69
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:b3:5a:d8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
