OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:ba:e0:38
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:5a:70:07:f0:41:2e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:2e:13:0b:be:ff:c3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan22): addr:1a:3c:c4:1b:65:18
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan44): addr:96:91:cf:eb:32:a9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan21): addr:42:b3:a8:74:86:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-6): addr:d6:d1:fa:6e:15:1d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:ba:e0:38
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
