OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:ae:70:72:6c:d7:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:0a:45:4b:4a:17:23
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:e2:1c:30:3d:ca:67
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:07:7f:05
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:07:7f:05
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
