NVME_NVL_CI_VERS
if ((ret = nvlist_lookup_uint32(nvl, NVME_NVL_CI_VERS, &vers)) != 0) {
if ((ret = nvlist_add_uint32(nvl, NVME_NVL_CI_VERS,
"failed to persist %s to nvlist: %s", NVME_NVL_CI_VERS,