OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:e2:18:ea:69:4f:cf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:36:41:3d:ef:22:2c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:ee:c3:cc:e4:bd:17
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:36:64:6c:20:8a:bc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:db:ab:cb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:db:ab:cb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
