Fix init script cgroup mounting workarounds to be more similar to cgroupfs-mount... Upstream-commit: f544ebd55aee0944f0b0ca03b2edd90eac312e4a Component: engine
The `contrib` directory contains scripts, images, and other helpful things which are not part of the core docker distribution. Please note that they could be out of date, since they do not receive the same attention as the rest of the repository.