OFPST_PORT_DESC reply (xid=0x2):
 1(vlan20): addr:06:96:9b:85:6a:8c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan21): addr:fa:2f:38:dc:f7:d8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan22): addr:2e:fc:88:fe:2b:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(vlan23): addr:26:21:26:0a:f3:f7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(eth1): addr:fa:16:3e:f2:dc:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ex): addr:fa:16:3e:f2:dc:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
