[jdk21u-dev] RFR: 8281511: java/net/ipv6tests/UdpTest.java fails with checkTime failed

[SendaoYan]

Hi all,

This pull request contains a backport of commit [f1798aad](https://github.com/openjdk/jdk24u/commit/f1798aad038f9d17b98618225b38287704477bbd) from the [openjdk/jdk24u](https://git.openjdk.org/jdk24u) repository.

The commit being backported was authored by SendaoYan on 12 Mar 2025 and had no reviewers.

Thanks!

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Commit messages:
 - Backport f1798aad038f9d17b98618225b38287704477bbd

Changes: https://git.openjdk.org/jdk21u-dev/pull/1475/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1475&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8281511
  Stats: 29 lines in 3 files changed: 5 ins; 5 del; 19 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1475.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1475/head:pull/1475

PR: https://git.openjdk.org/jdk21u-dev/pull/1475