OFPST_PORT reply (xid=0x2): 6 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=1, bytes=42, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=0, bytes=0, drop=?, errs=?, coll=?
  port  4: rx pkts=438, bytes=28908, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=438, bytes=28908, drop=?, errs=?, coll=?
  port LOCAL: rx pkts=1312, bytes=86592, 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=438, bytes=28908, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=436, bytes=28776, drop=?, errs=?, coll=?
  port  5: rx pkts=438, bytes=28908, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=438, bytes=28908, drop=?, errs=?, coll=?
