OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:4a:0d:b0:ed:51:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:66:9a:64:75:b8:3c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:12:9f:ab:db:7a:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:55:42:08
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:76:63:a3:88:ba:63
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:55:42:08
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
