OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:0e:0b:cf:08:2f:de
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:86:7d:a9:e1:5f:2c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:32:5e:b7:ea:c4:57
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:10:19:c9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:10:19:c9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
