OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:5a:da:8b:ae:8c:6e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:02:10:0e:f8:eb:f0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:b2:85:76:ac:ea:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:da:ec:80:48:a3:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:76:72:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:76:72:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
