OFPST_PORT_DESC reply (xid=0x2):
 1(vlan22): addr:c2:05:3c:ad:cf:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:aa:b1:31:3d:d3:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:26:f7:2e:50:b3:a6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:0e:34:9b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:0e:34:9b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
