OFPST_PORT reply (xid=0x2): 8 ports
  port  1: rx pkts=0, bytes=0, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=2, bytes=84, drop=?, errs=?, coll=?
  port  2: rx pkts=3, bytes=126, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=5, bytes=446, drop=?, errs=?, coll=?
  port  4: rx pkts=2598, bytes=171468, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=2605, bytes=171930, drop=?, errs=?, coll=?
  port  7: rx pkts=316, bytes=18277, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=18, bytes=2022, drop=?, errs=?, coll=?
  port LOCAL: rx pkts=7800, bytes=514800, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=0, bytes=0, drop=0, errs=0, coll=0
  port  3: rx pkts=2600, bytes=171600, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=2594, bytes=171204, drop=?, errs=?, coll=?
  port  6: rx pkts=3, bytes=84, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=5, bytes=446, drop=0, errs=0, coll=0
  port  5: rx pkts=2596, bytes=171336, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=2601, bytes=171666, drop=?, errs=?, coll=?
