OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:28:da:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:36:f3:ed:19:3a:b5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:6a:bf:3d:d1:ab:23
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:12:ec:91:2f:be:63
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:be:74:d9:05:7a:13
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:28:da:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
