OFPST_PORT_DESC reply (xid=0x2):
 1(vlan20): addr:f6:20:68:07:73:95
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:b2:eb:41:02:e4:9a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan23): addr:6a:4f:db:72:74:c4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:db:91:b0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan21): addr:a2:d3:a6:be:e9:fe
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-7): addr:da:b3:5e:dd:48:3f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:db:91:b0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
