OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:0a:af:e1:7c:46:92
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:5e:a1:32:0f:2b:4b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:1a:cd:8e:8d:7f:67
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:2a:dd:42:30:92:d0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:14:88:91
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:14:88:91
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
