OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:96:87:c6:dc:c6:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:86:0d:6a:f1:03:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:0e:6d:7f:d3:2b:a6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:f6:8d:77:ac:78:c3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:d3:7a:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:d3:7a:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
