RFR: 8375683: Add notes for sctp tests [v5]

[SendaoYan]

On Wed, 21 Jan 2026 08:12:22 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

>> SendaoYan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   1. Update apt/dnf description; 2. Add "sudo modprobe sctp" after apt install
>
> Marked as reviewed by vyazici (Committer).

Thanks fpr the patient reviews and suggestions @vy @erikj79.

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PR Comment: https://git.openjdk.org/jdk/pull/29320#issuecomment-3795787809