Merge pull request #44 from pacoxu/CR-43

Cherry-Pick cgroup check fix

Merge pull request #42 from neolit123/1.32-update-sig-cl-ml

README.md: change the ML for SIG CL

Use not "blkio" but "io" controller in cgroups v2 (#32)

Merge pull request #30 from skitt/blang-semver-v4

Upgrade to blang/semver/v4 v4.0.0

Merge pull request #26 from Conan-Kudo/allow-btrfs-storage

Allow the Btrfs storage graph driver to be used

Merge pull request #27 from ironyman/master

Split stderr and stdout in docker info parse

Merge pull request #23 from neolit123/1.21-update-docker

docker_validator: allow Docker 20.10.*

Merge pull request #20 from KentaTada/adjust-cgcheck

Adjust the checklist of kernel configs of cgroup

Merge pull request #18 from SergeyKanzhelev/pidLimitsGA

PidLimits promoted to GA

Merge pull request #15 from neolit123/1.19-os-fixes

revert the introduction of CgroupSpec