OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:be:53:cb:81:ee:5f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:aa:3b:ac:ed:bd:d8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:16:7d:ea:45:ba:2b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:9e:ba:5a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:9e:ba:5a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
