Since Linux 3.18-rc6, overlayfs has been renamed overlay. This change was introduced by the following commit in linux.git: ef94b1864d1ed5be54376404bb23d22ed0481feb ovl: rename filesystem type to "overlay" Signed-off-by: Lénaïc Huard <lhuard@amadeus.com> Upstream-commit: c57317893a743720a241ae328d1bdf7bd02b1fea Component: engine