   1 - message queueing/dequeuing
   2 - remote file/dir open/close
   4 - DESTROY calls
   8 - hexdumps of incomming packets
  16 - hexdumps of outgoing packets
  32 - _do_io, _conn_lost
  64 - _set_error, _set_status
 128 - on the fly transformations
 256 - add timestamp and process id 
 512 -
1024 - hexdump of sysreads
2048 - hexdumo of syswrites

