Merge pull request #2 from buildo/cgroup_v2

Avoid sanitizing cgroups if cgroup v2 is enabled

Author: mcastellini

entrypoint.sh

@@ -15,6 +15,10 @@ DOCKERD_PID_FILE="/tmp/docker.pid"
 DOCKERD_LOG_FILE="/tmp/docker.log"
 
 sanitize_cgroups() {
+  if [ -e /sys/fs/cgroup/cgroup.controllers ]; then
+    return
+  fi
+
   local cgroup="/sys/fs/cgroup"
 
   mkdir -p "${cgroup}"