OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:92:bb:29:c0:ba:c3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:0e:35:78:9f:b0:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:e6:98:1b:7f:5f:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:eb:df:be
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:eb:df:be
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
