OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:63:2b:65
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:be:9a:9b:be:c4:5c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:5e:17:b3:5c:de:0d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:76:62:3a:b3:d1:70
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:63:2b:65
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
