OFPST_PORT reply (xid=0x2): 4 ports
  port  1: rx pkts=5648, bytes=372768, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=3182, bytes=210012, drop=?, errs=?, coll=?
  port  2: rx pkts=3166, bytes=208956, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=3166, bytes=208956, drop=?, errs=?, coll=?
  port  4: 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 LOCAL: rx pkts=6348, bytes=418968, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=0, bytes=0, drop=0, errs=0, coll=0
