OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:f0:80:57
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:f6:9b:d3:a0:7a:ad
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:96:36:6e:d1:83:7a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:42:e3:d0:10:37:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan22): addr:4e:e1:e8:39:02:55
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan44): addr:e2:e8:ed:e2:c2:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 8(patch-provnet-1): addr:aa:0e:12:42:0a:c6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:f0:80:57
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
