[jdk21u-dev] RFR: 8343191: Cgroup v1 subsystem fails to set subsystem path

[lingjun-cg]

Almost clean backport of JDK-8343191

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Commit messages:
 - Backport de29ef3bf3a029f99f340de9f093cd20544217fd

Changes: https://git.openjdk.org/jdk21u-dev/pull/2109/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2109&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343191
  Stats: 491 lines in 9 files changed: 449 ins; 3 del; 39 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2109.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2109/head:pull/2109

PR: https://git.openjdk.org/jdk21u-dev/pull/2109