For the complete release notes, see
- https://github.com/opencontainers/runc/releases/tag/v1.0.2
In particular, this fixes the check cgroup v1 systemd manager check
if a container needs to be frozen before Set(), and adds a knob to
skip the check/freeze entirely (to be used by the next commit).
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>