OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:66:77:8d:a3:2d:a7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:4a:71:a8:73:e6:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:7e:b5:c9:ca:f4:1b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:ef:0e:f3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:ef:0e:f3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
