OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ca:09:e7:e5:1c:81
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:ca:84:7c:bc:51:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:e2:88:b5:61:c4:9b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:42:24:44:12:69:06
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:68:a0:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:68:a0:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
