OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:fa:97:52:7e:e5:54
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:ea:12:aa:1c:f4:62
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:fa:2a:d4:a8:9a:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:86:f8:6a:1d:d9:89
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:be:d5:dc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:be:d5:dc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
