OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:48:7d:5a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:c6:8b:21:3d:c9:8c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan20): addr:3a:07:8a:f6:f8:c2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:52:e6:15:cc:ce:7c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:9e:96:d6:f4:87:9c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:48:7d:5a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
