bad_request 501 opal/mca/event/libevent2022/libevent/test/regress_http.c const char *bad_request = "400 Bad Request"; bad_request 503 opal/mca/event/libevent2022/libevent/test/regress_http.c if (evbuffer_contains(bufferevent_get_input(bev), bad_request)) { bad_request 3604 opal/mca/event/libevent2022/libevent/test/regress_http.c HTTP(bad_request),