OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:1f:05:c9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:ce:58:23:60:67:69
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:5a:4a:e5:5a:9f:fb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:3e:d0:65:0e:da:9c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:1f:05:c9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
