OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:22:59:8b:7a:05:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:1e:e3:99:ae:9b:7e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:fe:8e:c7:98:67:fc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:c2:01:10:96:61:18
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:83:c4:5b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:83:c4:5b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
