OFPST_PORT_DESC reply (xid=0x2):
 1(eth1): addr:fa:16:3e:97:55:01
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:62:1a:53:1d:73:18
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:4a:d0:6a:34:4e:ce
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan21): addr:1a:cc:08:89:80:15
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan44): addr:ea:fd:d1:17:ca:03
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(vlan22): addr:ba:01:48:b1:68:5e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:97:55:01
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
