OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:86:6f:54:db:73:43
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan23): addr:e6:50:00:a5:98:36
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:0a:5d:89:c0:7f:f6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:12:a2:84:59:ff:2c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:28:cd:ab
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:28:cd:ab
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
