OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:61:02:59
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan44): addr:7e:49:13:1c:c5:80
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:8e:8e:66:6f:e8:d3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan22): addr:ea:a1:e5:23:25:76
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:52:f0:a5:ab:a0:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan20): addr:ea:81:a2:d3:e7:d1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:61:02:59
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
