OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:3e:3b:17:b3:64:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:26:38:62:30:5e:9f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:be:26:5b:4b:db:cd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:6a:b5:11:72:d1:1f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:4b:05:3c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:4b:05:3c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
