99 		printf("open sysctl failed: %m\n");  in sysctl_assert_write()
104 		printf("write sysctl %s failed: %m\n", val);  in sysctl_assert_write()
114 		printf("open sysctl failed: %m\n");  in sysctl_fail_write()
119 		printf("write sysctl %s succeeded, but failure expected\n",  in sysctl_fail_write()
131 		printf("open sysctl failed: %m\n");  in sysctl_assert_equal()
136 		printf("read sysctl failed: %m\n");  in sysctl_assert_equal()
147 		printf("unexpected sysctl value: expected %s, got %s\n", val, buf);  in sysctl_assert_equal()
1260 	printf("%s sysctl 0\n", memfd_str);  in sysctl_simple_child()
1263 	printf("%s sysctl 1\n", memfd_str);  in sysctl_simple_child()
1266 	printf("%s sysctl 0\n", memfd_str);  in sysctl_simple_child()
1269 	printf("%s sysctl 2\n", memfd_str);  in sysctl_simple_child()
1272 	printf("%s sysctl 1\n", memfd_str);  in sysctl_simple_child()
1275 	printf("%s sysctl 0\n", memfd_str);  in sysctl_simple_child()
1282  * Test sysctl
1283  * A very basic test to make sure the core sysctl semantics work.
1327 	printf("%s nested sysctl 0\n", memfd_str);  in sysctl_nested_child()
1333 	printf("%s nested sysctl 1\n", memfd_str);  in sysctl_nested_child()
1349 	printf("%s nested sysctl 2\n", memfd_str);  in sysctl_nested_child()
1360 	printf("%s nested sysctl 0 -> 1 after fork\n", memfd_str);  in sysctl_nested_child()
1369 	printf("%s nested sysctl 0 -> 2 after fork\n", memfd_str);  in sysctl_nested_child()
1380 	 * that the parent lowering the sysctl doesn't affect already-forked  in sysctl_nested_child()
1383 	printf("%s nested sysctl 2 -> 1 after fork\n", memfd_str);  in sysctl_nested_child()
1391 	printf("%s nested sysctl 2 -> 0 after fork\n", memfd_str);  in sysctl_nested_child()
1399 	printf("%s nested sysctl 1 -> 0 after fork\n", memfd_str);  in sysctl_nested_child()
1411  * Test sysctl with nested pid namespaces
1412  * Make sure that the sysctl nesting semantics work correctly.