OFPST_PORT_DESC reply (xid=0x2):
 1(vlan23): addr:d6:ca:18:d3:37:62
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan22): addr:32:09:e2:fd:3f:6b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan21): addr:3a:02:8a:12:82:11
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:b8:d5:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan20): addr:42:a4:33:98:f6:3c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-b): addr:ca:ac:37:4e:9c:b2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:b8:d5:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
