[jdk25u] RFR: 8365983: Tests should throw SkippedException when SCTP not supported

Tue Sep 2 14:30:24 UTC 2025

Hi all,

This pull request contains a backport of commit [a029245a](https://github.com/openjdk/jdk/commit/a029245a4e1f04052fa0f0a5af16ae0e770bd822) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by SendaoYan on 2 Sep 2025 and was reviewed by Jaikiran Pai.

Thanks!

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Commit messages:
 - Backport a029245a4e1f04052fa0f0a5af16ae0e770bd822

Changes: https://git.openjdk.org/jdk25u/pull/155/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=155&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8365983
  Stats: 209 lines in 16 files changed: 103 ins; 89 del; 17 mod
  Patch: https://git.openjdk.org/jdk25u/pull/155.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/155/head:pull/155

PR: https://git.openjdk.org/jdk25u/pull/155