fmd_nvl_fmri_unusable
extern int fmd_nvl_fmri_unusable(fmd_hdl_t *, nvlist_t *);
(checkunusable && !fmd_nvl_fmri_unusable(hdl, detector))) {
if (!fmd_nvl_fmri_unusable(hdl, asru) && fmd_nvl_fmri_has_fault(hdl,