OFPST_PORT_DESC reply (xid=0x2):
 1(vlan20): addr:0e:93:ac:71:95:4e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:4a:f3:29:96:b1:e4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:fa:8f:14:ce:c1:3f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:ca:70:52:62:cf:69
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:91:b0:1f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:91:b0:1f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
