OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:fe:25:15:dd:24:eb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:fe:7f:d5:59:4a:bb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:f6:2f:fb:b8:16:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:22:04:ee:fa:70:48
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:83:bf:76
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:83:bf:76
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
