OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:36:32:78:14:ca:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:0c:83:ec
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:1a:6e:96:34:fd:a6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:aa:88:e7:29:38:fc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:9e:f2:4b:1d:f3:86
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:0c:83:ec
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
