h2olog: print to stdout in -l since it is not error messages
h2olog: print to stdout in -l since it is not error messages

h2o/h2o,yannick/h2o,cwyang/h2o,h2o/h2o,devnexen/h2o,cwyang/h2o,devnexen/h2o,h2o/h2o,devnexen/h2o,yannick/h2o,yannick/h2o,h2o/h2o,h2o/h2o,devnexen/h2o,devnexen/h2o,cwyang/h2o,cwyang/h2o,yannick/h2o,h2o/h2o,h2o/h2o,yannick/h2o,devnexen/h2o,yannick/h2o,cwyang/h2o,yannick/h2o,yannick/h2o,yannick/h2o,cwyang/h2o,cwyang/h2o,devnexen/h2o,devnexen/h2o,h2o/h2o,devnexen/h2o,cwyang/h2o,h2o/h2o