OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:5e:7c:85:82:df:31
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:1e:48:cd:a1:48:60
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:fa:0e:f0:6a:ca:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:86:12:e6:10:bb:c4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:ba:26:c2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:ba:26:c2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
