nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1);
VERIFY3U(EEXIST, ==, spa_create(zs->zs_pool, nvroot, NULL, NULL, NULL));
nvlist_free(nvroot);
nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1);
VERIFY3U(EEXIST, ==, spa_create(zs->zs_pool, nvroot, NULL, NULL, NULL));
nvlist_free(nvroot);