OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:16:27:fa:e6:68:7b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:32:43:a2:05:a8:a2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:b6:ac:bb:ee:69:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:ea:39:5d:d9:08:79
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(eth1): addr:fa:16:3e:30:0f:66
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:30:0f:66
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
