OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:c6:24:d2:f4:05:11
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:c6:d8:1e:6d:a9:12
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:6a:0b:32:37:e4:ae
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:e6:9d:ff:c3:64:85
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:d6:34:f5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:d6:34:f5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
