OFPST_PORT reply (xid=0x2): 8 ports
  port 30: rx pkts=16, bytes=1620, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=10, bytes=1346, drop=0, errs=0, coll=0
  port  1: rx pkts=18, bytes=756, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=8, bytes=336, drop=?, errs=?, coll=?
  port  2: rx pkts=0, bytes=0, drop=?, errs=?, frame=?, over=?, crc=?
           tx pkts=0, bytes=0, drop=?, errs=?, coll=?
  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 28: rx pkts=16, bytes=1620, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=13, bytes=1520, drop=0, errs=0, coll=0
  port 22: rx pkts=4, bytes=356, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=8, bytes=616, drop=0, errs=0, coll=0
  port 29: rx pkts=5, bytes=354, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=10, bytes=700, drop=0, errs=0, coll=0
  port 21: rx pkts=16, bytes=1620, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=10, bytes=1346, drop=1, errs=0, coll=0
