systemd ログのエラー: 'Failed to attach to cgroup /user.slice/user-1001.slice/user@1001.service: Device or resource busy'

Issue

• ユーザーまたは自動化ツールが同じ UID のセッションを頻繁に開始および停止すると、ログに次のエラーが表示されます。

Apr 01 00:11:10 hostname systemd[<PID>]: user@1001.service: Failed to attach to cgroup /user.slice/user-1001.slice/user@1001.service: Device or resource busy
Apr 01 00:11:10 hostname systemd[<PID>]: user@1001.service: Failed at step CGROUP spawning /usr/lib/systemd/systemd: Device or resource busy
Apr 01 00:11:10 hostname systemd[1]: user@1001.service: Main process exited, code=exited, status=219/CGROUP
Apr 01 00:11:10 hostname systemd[1]: user@1001.service: Failed with result 'exit-code'.
Apr 01 00:11:10 hostname systemd[1]: Failed to start User Manager for UID 1001.