OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:16:8b:b9:3e:06:45
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:6e:cc:80:8c:ff:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:5e:dd:c9:f7:ad:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:3a:80:e4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:3a:80:e4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
