evdns_err_to_string  887 opal/mca/event/libevent2022/libevent/evdns.c 					 error, evdns_err_to_string(error));
evdns_err_to_string  239 opal/mca/event/libevent2022/libevent/include/event2/dns.h const char *evdns_err_to_string(int err);