OFPST_PORT_DESC reply (xid=0x2):
 1(vlan21): addr:56:c6:8f:02:69:0c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(vlan20): addr:ce:de:a7:6a:0b:01
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(vlan22): addr:2e:81:54:3d:d6:8b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(eth1): addr:fa:16:3e:4c:9c:be
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(vlan23): addr:aa:56:f9:3d:9f:c3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-provnet-1): addr:22:83:a8:22:a7:f2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-ctlplane): addr:fa:16:3e:4c:9c:be
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
