RFR: 8241800: Disable IPV6_MULTICAST_ALL to prevent interference from all multicast groups [v7]

[Michael McMahon]

On Mon, 19 Jun 2023 15:53:55 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> It runs the additional tests if it is MacOSX or if Linux and kernel > 4.20.
>
> It looks like it's good the version check on AIX too. I think you'll need to include a check for isLinux to avoid a follow-up bug from the maintainers of that port.

Oh, I see there is a missing pair of parentheses. I will fix that

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PR Review Comment: https://git.openjdk.org/jdk/pull/14491#discussion_r1234237370