OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:4e:b9:e2:b7:c5:b9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:ca:71:fc:18:c9:6b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:a6:0f:24:1f:b0:97
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:6c:bf:38
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:6c:bf:38
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
