OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:35:94:db
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:ae:ed:b0:4b:a7:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:0a:5e:70:6a:1b:0d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:ba:77:46:8e:2f:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:35:94:db
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
