nack_reason      2243 daemons/controld/controld_execd.c     const char *nack_reason = NULL;
nack_reason      2302 daemons/controld/controld_execd.c         nack_reason = "Not attempting start due to shutdown in progress";
nack_reason      2308 daemons/controld/controld_execd.c         nack_reason = "Controller cannot attempt actions at this time";
nack_reason      2311 daemons/controld/controld_execd.c     if (nack_reason != NULL) {
nack_reason      2317 daemons/controld/controld_execd.c                          nack_reason);