OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:25:6c:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:c2:3a:b7:e8:19:05
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:c2:1b:be:98:86:b0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:26:58:e8:b5:77:af
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:2a:92:65:f8:6a:1e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:25:6c:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
