It makes systemd integration less intrusive, notably needed for docker machine (cf. https://github.com/docker/machine/pull/3605). The default storage driver would now be devicemapper, until the deb package is updated. Signed-off-by: Bilal Amarni <bilal.amarni@gmail.com> Upstream-commit: de078211b30e13825b596ff4b2798e0fb780551a Component: engine