OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:62:10:70:6d:a8:42
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:5e:4a:50:33:35:55
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:9a:10:53:52:7e:94
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:0e:00:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:0e:00:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
