OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:82:9f:df:28:5d:8c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:42:04:69:9a:5a:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:3e:8b:e9:9f:d2:29
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:aa:ce:a8:10:dc:cf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:57:14:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:57:14:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
