OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:c2:2f:67:4f:d9:73
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:19:ca:cc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:ca:3b:0f:41:e5:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:62:a7:1a:47:ba:21
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:2e:24:e5:0c:fe:26
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:19:ca:cc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
