OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:de:9b:d0:e0:a3:0a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:ea:10:0f:85:13:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:a2:87:37:d0:a9:29
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:2b:5e:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:2b:5e:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
