OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:ba:18:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:c6:7b:6c:01:76:90
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan44): addr:46:08:05:2d:23:1c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:6e:3a:29:07:3e:c0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan22): addr:72:1c:40:11:f9:45
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan23): addr:e6:f9:8d:d9:f6:da
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(patch-provnet-6): addr:3e:8f:66:7d:dd:56
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:ba:18:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
