OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:de:d5:c3:c8:8f:11
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:da:1a:97:fc:83:ff
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:1a:d9:62:82:5e:d8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:a5:42:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:a5:42:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
