OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:11:e5:20
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:56:0f:d6:c3:9c:b9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:ae:d5:85:96:e0:0a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:8e:14:be:b0:4b:45
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:8a:30:9e:0c:de:5d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:11:e5:20
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
