OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:67:6b:07
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:62:c9:bd:1c:23:25
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan22): addr:f2:a4:21:16:b8:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan44): addr:52:65:e3:06:cd:bc
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:22:05:79:ad:16:d2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan21): addr:86:44:c8:f5:a1:b5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:67:6b:07
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
