[crac] RFR: DNS cache maintenance [v2]

[Anton Kozlov]

On Fri, 10 Feb 2023 10:26:59 GMT, Radim Vansa <duke at openjdk.org> wrote:

>> This draft PR contains a backport of issue that prevents compilation on systems with newer glibc versions; ideally the backport should be integrated first and then this PR can be rebased.
>
> Radim Vansa has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix test name in jtreg annotations

I've run the new test on the latest revision and it passes

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Marked as reviewed by akozlov (Lead).

PR: https://git.openjdk.org/crac/pull/40