OFPST_PORT reply (xid=0x2): 10 ports
  port  1: rx pkts=2, bytes=84, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=0, bytes=0, drop=?, errs=?, coll=?
  port  2: rx pkts=5, bytes=446, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=3, bytes=126, drop=?, errs=?, coll=?
  port  4: rx pkts=7133, bytes=470778, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=7212, bytes=475992, drop=?, errs=?, coll=?
  port  9: rx pkts=114, bytes=9770, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=60, bytes=6809, drop=0, errs=0, coll=0
  port LOCAL: rx pkts=21631, bytes=1427646, 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=7134, bytes=470772, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=7213, bytes=476058, drop=?, errs=?, coll=?
  port 12: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=5, bytes=446, drop=0, errs=0, coll=0
  port 10: rx pkts=253, bytes=12154, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=5, bytes=210, drop=?, errs=?, coll=?
  port  5: rx pkts=7138, bytes=471108, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=7206, bytes=475596, drop=?, errs=?, coll=?
  port 11: rx pkts=52, bytes=5927, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=104, bytes=8926, drop=0, errs=0, coll=0
