OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:f2:42:ac:de:8b:1a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:86:45:d7:4e:21:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:3a:04:46:67:3d:9e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:4e:8f:d5:8a:50:2a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:39:30:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:39:30:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
