OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:32:d1:52:5d:fb:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:85:eb:84
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:7e:ad:de:be:d6:fa
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:7a:e9:40:ce:d1:2b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:42:b6:ea:dd:d7:2c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:85:eb:84
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
