OFPST_PORT reply (xid=0x2): 10 ports
  port  4: rx pkts=7755, bytes=511830, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=7841, bytes=517506, drop=?, errs=?, coll=?
  port  1: rx pkts=4, bytes=356, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=3, bytes=126, drop=?, errs=?, coll=?
  port  9: rx pkts=114, bytes=9770, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=60, bytes=6815, drop=0, errs=0, coll=0
  port  5: rx pkts=7754, bytes=511764, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=7838, bytes=517308, 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
  port  2: rx pkts=20, bytes=840, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=0, bytes=0, drop=?, errs=?, coll=?
  port  3: rx pkts=7764, bytes=512424, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=7825, bytes=516450, drop=?, errs=?, coll=?
  port LOCAL: rx pkts=23504, bytes=1551264, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=0, bytes=0, drop=0, errs=0, coll=0
  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=303, bytes=18118, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=5, bytes=210, drop=?, errs=?, coll=?
