http://127.0.0.1:9223/counter/naive
  visitors sent 400, answered 400, errors 0
  highest number shown 61, distinct numbers 61
  visitors lost by the counter 339
http://127.0.0.1:9223/counter
  visitors sent 400, answered 400, errors 0
  highest number shown 400, distinct numbers 400
  visitors lost by the counter 0
