OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:ef:5d:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:66:39:5c:0c:53:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:76:c0:9b:c5:f1:28
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:ae:d7:51:b8:07:c5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:ef:5d:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
