OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:f8:e8:b8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:f6:23:d7:ed:b1:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:fe:e9:a7:67:19:77
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:92:6d:c8:a6:b3:cf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:76:a0:86:80:15:d7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:f8:e8:b8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
