OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ce:e1:2f:85:3e:06
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:aa:6d:48:b9:3f:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:7a:d0:a0:9e:84:59
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:64:13:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:64:13:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
