8313770: jdk/internal/platform/docker/TestSystemMetrics.java fails on Ubuntu

[sendaoYan]

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Hi all,

This pull request contains a backport of commit aec13888 from the openjdk/jdk repository.

The commit being backported was authored by Casper Norrbin on 23 Oct 2025 and was reviewed by Severin Gehwolf, Matthias Baesken and SendaoYan.

Thanks!

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Progress

• [ ] JDK-8313770 needs maintainer approval
• [x] Change must not contain extraneous whitespace
• [x] Commit message must refer to an issue

Issue

• JDK-8313770: jdk/internal/platform/docker/TestSystemMetrics.java fails on Ubuntu (Bug - P3)

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/4092/head:pull/4092
$ git checkout pull/4092

Update a local copy of the PR:
$ git checkout pull/4092
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/4092/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 4092

View PR using the GUI difftool:
$ git pr show -t 4092

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Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/4092.diff

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