OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:19:01:95
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:3e:75:fe:21:de:9a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:8a:7d:df:61:60:7d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:c2:d8:89:47:c6:7f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan44): addr:ea:9c:6b:73:8f:95
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan22): addr:a6:76:a5:bb:68:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-1): addr:0e:60:0e:2a:08:92
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:19:01:95
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
