OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:96:95:9d:9d:68:ac
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:ba:cc:e2:79:2f:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:16:e1:b9:ae:3a:9e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:12:56:c2:c2:d8:91
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:87:f0:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:87:f0:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
