OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:42:1f:00:db:8d:92
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:ca:fb:0d:38:3e:c9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:a2:12:04:bf:69:07
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:0e:9f:70:cc:1a:82
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:51:86:2d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-2): addr:da:03:e4:43:f7:20
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:51:86:2d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
