OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:e1:81:f1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:9a:1a:96:95:5c:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:a2:fd:36:31:fd:af
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan44): addr:1a:c1:54:3b:ba:64
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:1a:e1:bf:c8:40:06
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan22): addr:12:ad:fb:f8:8a:66
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-1): addr:1a:93:3c:25:15:9e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:e1:81:f1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
