OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:3a:27:7f:1c:7d:93
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:f1:80:7d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:12:95:8c:89:0c:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:d6:41:bf:6d:07:e2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:1e:66:0a:c2:d1:61
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:f1:80:7d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
