OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:de:7e:09:e5:20:0f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:d2:98:6a:94:da:0a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:da:7c:1d:54:2c:73
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:36:f3:5f:90:c7:c4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:fb:a4:3c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:fb:a4:3c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
