After v1.8.3 layer checksum is used for image ID validation. Rewriting the checksums on push would mean that next pulls will get different image IDs and pulls may fail if its detected that same manifest digest can now point to new image ID. Fixes #17178 Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com> Upstream-commit: fb4a7256921b9863bd27079ec821b9612368fee8 Component: engine