[crac] RFR: DNS cache maintenance

[Anton Kozlov]

On Thu, 5 Jan 2023 15:31:17 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.

Thank you! LGTM

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Marked as reviewed by akozlov (Lead).

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