RFR: 8283779: Clarify API documentation of NetworkInterface with respect to configuration changes [v9]

[Daniel Fuchs]

On Tue, 3 Sep 2024 18:04:34 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> Please find here a change that adds a few `@apiNote` and `@implNote` to `NetworkInterface` to clarify user expectation and implementation.
>
> Daniel Fuchs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review feedback

I have drafted the CSR here: [JDK-8339623](https://bugs.openjdk.org/browse/JDK-8339623) - Reviewers are welcome!

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PR Comment: https://git.openjdk.org/jdk/pull/20822#issuecomment-2332358374