This is a bind mount, not an overlay. For an actual overlay you need something like overlayfs or unionfs. See for example https://wiki.archlinux.org/index.php/O

This is a bind mount, not an overlay. For an actual overlay you need something like overlayfs or unionfs. See for example https://wiki.archlinux.org/index.php/Overlay_filesystem https://wiki.archlinux.org/index.php/Overlay_filesystem