OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ea:05:89:16:3b:65
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:d2:2f:07:dd:83:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:8e:38:3c:6c:71:17
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:3a:0e:4b:02:f0:0e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:1e:4f:7e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:1e:4f:7e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
