OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:6d:52:bc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:0a:12:55:07:fa:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:aa:42:9a:c9:53:c9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan44): addr:ca:25:73:36:c4:28
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan22): addr:02:03:a4:4e:19:ea
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan23): addr:5e:33:c8:23:d6:d1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 7(patch-provnet-b): addr:de:64:65:56:a0:cd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:6d:52:bc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
