- Fixed cleanup of Pod volume mounts when a file was used as a subpath. ([#123052](https://github.com/kubernetes/kubernetes/pull/123052), [@jsafrane](https://github.com/jsafrane)) [SIG Node]

- Make sure auto-mounted subpath mount source is already mounted ([#112498](https://github.com/kubernetes/kubernetes/pull/112498), [@andyzhangx](https://github.com/andyzhangx)) [SIG Storage]

## Dependencies

### Added
_Nothing has changed._

		return fmt.Errorf("handler %v, subroute:%v: %w", id.String(), s, ErrHandlerAlreadyExists)
	}
	m.handlers.subSingle[subID] = h
	// Copy so clients can also pick it up for other subpaths.
	m.handlers.subSingle[makeZeroSubHandlerID(id)] = h
	return nil
}

/*
// RegisterStateless will register a stateless handler that serves
// []byte -> stream of ([]byte, error) requests.

        @Test
        @DisplayName("Binary constructor happy path and round-trip via toByteArray")
        void testBinaryConstructorAndToByteArray() {
            // Arrange: revision=1, count=2, identAuth zeros except last byte, subauth 10, 20
            byte[] ident = new byte[] { 0, 0, 0, 0, 0, 5 };
            rpc.sid_t st = buildSidT((byte) 1, ident, 10, 20);

            byte[] bytes = SID.toByteArray(st);

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