* Registry: Do not require login unless 401 is received on push Upstream-commit: 4dcc0f316c6dbcad3932b483ad0946a4b7d526cc Component: engine
* Registry: Do not require login unless 401 is received on push Upstream-commit: 4dcc0f316c6dbcad3932b483ad0946a4b7d526cc Component: engine