OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:22:a2:c9:b2:91:66
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:1e:eb:f5:3d:2e:f6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:6a:07:b1:76:e8:cb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:1a:c4:bc:41:35:c9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:bf:44:d1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:bf:44:d1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
