OFPST_PORT_DESC reply (xid=0x2):
 1(vlan20): addr:1e:dd:86:b4:d4:95
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:82:3d:04:38:2d:9b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan22): addr:ae:d1:0a:54:47:05
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:41:4b:d5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:41:4b:d5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
