evhttp_connection_error  182 opal/mca/event/libevent2022/libevent/http-internal.h     enum evhttp_connection_error error);
evhttp_connection_error  647 opal/mca/event/libevent2022/libevent/http.c     enum evhttp_connection_error error)
evhttp_connection_error  699 opal/mca/event/libevent2022/libevent/http.c     enum evhttp_connection_error error)