OFPST_PORT reply (xid=0x2): 6 ports
  port  1: rx pkts=18, bytes=756, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=2, bytes=84, drop=?, errs=?, coll=?
  port  2: rx pkts=0, bytes=0, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=0, bytes=0, drop=?, errs=?, coll=?
  port  4: rx pkts=277, bytes=18282, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=278, bytes=18348, drop=?, errs=?, coll=?
  port LOCAL: rx pkts=834, bytes=55044, 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=278, bytes=18348, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=280, bytes=18480, drop=?, errs=?, coll=?
  port  5: rx pkts=278, bytes=18348, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=276, bytes=18216, drop=?, errs=?, coll=?
