[jdk17u-dev] RFR: 8281511: java/net/ipv6tests/UdpTest.java fails with checkTime failed

[Goetz Lindenmaier]

I backport this for parity with 17.0.16-oracle.
Resolved Copyright, probably clean.

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Commit messages:
 - Backport ea9e3cfe03b5284ef0edc6f0eb92fcb6ffd62725

Changes: https://git.openjdk.org/jdk17u-dev/pull/3448/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3448&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/jdk17u-dev/pull/3448.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3448/head:pull/3448

PR: https://git.openjdk.org/jdk17u-dev/pull/3448