OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:f7:e2:83
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:b6:4f:5f:0c:7d:79
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:ca:6b:09:45:3f:af
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:3a:ec:82:22:a7:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan22): addr:42:0c:d5:cb:df:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan44): addr:6a:12:b3:77:20:fc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-7): addr:52:cf:f8:0a:d8:3d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:f7:e2:83
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
