In several cases graphdriver were just returning the low-level syscall error and that was making it all the way up to the daemon logs and in many cases was difficult to tell it was even coming from the graphdriver at all. Signed-off-by: Brian Goff <cpuguy83@gmail.com> Upstream-commit: c0f7819905050ebdb583afba5b6f760d3892adb8 Component: engine