OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:c3:1a:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:4a:00:0b:0a:71:68
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:f2:69:d2:52:53:8e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan20): addr:7e:3b:7e:22:6a:59
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:4e:1d:75:80:84:19
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:c3:1a:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
