OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:a2:e2:2b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:8a:fb:12:2a:ee:cb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:92:1b:fd:a2:0d:c2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan44): addr:0e:00:68:fc:a6:a7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan22): addr:92:bd:99:35:f0:ac
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-4): addr:9a:a3:6c:73:b5:92
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(vlan21): addr:16:c1:7f:db:bb:89
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:a2:e2:2b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
