OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:9a:04:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:52:2a:a9:14:09:e6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:e2:11:0e:3c:1f:d0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:5e:aa:63:3c:4c:e8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:32:e4:c1:c4:28:73
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:9a:04:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
