OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:72:ce:17:7f:6f:db
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:66:7f:d3:c1:07:ee
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:6a:f3:f1:a2:b9:45
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:92:aa:ff:b7:92:67
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:91:16:48
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:91:16:48
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
