OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:09:73:6a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:ae:cb:12:05:3c:d0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:02:7b:6b:f0:89:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan22): addr:46:c1:8c:00:7d:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan44): addr:de:55:4a:d2:ca:8d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-6): addr:2e:b7:3c:26:23:e7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(vlan21): addr:d2:9b:4e:dc:a9:c5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:09:73:6a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
