OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:1a:07:24:8b:66:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:2a:7a:e4:ea:fb:61
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:e2:3c:78:42:7a:83
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:c6:26:80:3f:10:75
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:ef:66:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:ef:66:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
