OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:f2:74:60:72:1c:e5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:a3:92:6b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:9a:29:9e:b9:ad:c9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:86:6c:34:c3:5a:2b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:8a:8a:58:85:a1:10
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:a3:92:6b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
