_cleanup_close_ int nsfd = -1, rootfd = -1;
_cleanup_free_ char *ns = NULL, *root = NULL;
_cleanup_close_pipe_ int sock[2] = { -1, -1 };
_cleanup_close_ int nsfd = -1, rootfd = -1;
_cleanup_free_ char *ns = NULL, *root = NULL;
_cleanup_close_pipe_ int sock[2] = { -1, -1 };