RFR: 8283779: Clarify API documentation of NetworkInterface with respect to configuration changes [v12]

[Alan Bateman]

On Mon, 9 Sep 2024 13:40:43 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:
> 
>   More review feedback

Marked as reviewed by alanb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/20822#pullrequestreview-2290548468