OFPST_PORT reply (xid=0x2): 8 ports
  port 50: rx pkts=16, bytes=1620, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=10, bytes=1562, drop=0, errs=0, coll=0
  port  2: rx pkts=0, bytes=0, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=11, bytes=988, drop=?, errs=?, coll=?
  port  1: rx pkts=1, bytes=59, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=4, bytes=204, drop=?, errs=?, coll=?
  port  9: rx pkts=3181, bytes=16249234, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=2292, bytes=387351, drop=?, errs=?, coll=?
  port 47: rx pkts=241, bytes=24443, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=47, bytes=6361, drop=0, errs=0, coll=0
  port 51: rx pkts=3, bytes=270, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=10, bytes=916, drop=0, errs=0, coll=0
  port LOCAL: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=0, bytes=0, drop=0, errs=0, coll=0
  port 48: rx pkts=3, bytes=270, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=11, bytes=958, drop=0, errs=0, coll=0
