skip connlist reorder when it expects no effects, otherwise it may cause null pointer deref
skip connlist reorder when it expects no effects, otherwise it may cause null pointer deref

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