OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:91:96:7d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:ba:eb:61:05:d6:fb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:02:4c:be:7f:96:32
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:5e:24:ae:14:14:81
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:91:96:7d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
