OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:0e:f7:4f:7d:80:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:a2:fb:c5:ae:db:2c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:3a:d3:d7:38:46:00
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:db:9a:e0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:db:9a:e0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
