OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:96:5b:d4:36:43:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(eth1): addr:fa:16:3e:e2:b9:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:c2:54:f6:db:8e:89
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:9e:3b:3d:81:fd:70
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:aa:d4:05:a3:3d:ae
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:e2:b9:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
