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

[Michael McMahon]

On Thu, 15 Jun 2023 11:32:45 GMT, Michael McMahon <michaelm at openjdk.org> wrote:

> > 
> 
> It's certainly the case that the IPv4 option can be called on AF_INET6 sockets but only affects the IPv4 stack. Which suggests the IPv6 option only affects the IPv6 stack. I'll see if I can confirm that is true.

I just checked and the two options are independent of each other, applying only to the IPv4 stack and IPv6 stack respectively.

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PR Comment: https://git.openjdk.org/jdk/pull/14491#issuecomment-1593271468