OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:d6:33:d0:cd:00:13
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:df:d1:d3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:ee:c1:86:5b:fc:c5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:82:9f:a4:ae:7a:ed
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:76:3d:06:9c:ac:0f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:df:d1:d3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
