[Bug 254445] cloned_interfaces="bridge0" does not respect net.inet6.ip6.auto_linklocal

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Newsgroups gmane.os.freebsd.devel.net
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254445

Lexi Winter <[email protected]> changed:

           What    |Removed                     |Added
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                 CC|                            |[email protected]

--- Comment #2 from Lexi Winter <[email protected]> ---
since we don't enable IPv6 on interfaces by default, the only way a bridge can
lose the IFDISABLED flag is if the user explicitly configured the system that
way, in which case it doesn't make sense to me to not auto-configure link-local
addresses in the same way as every other interface.

so, i think we should remove this exception and handle bridges the same way as
other interfaces.  

i suspect the original behaviour is related to the link-local address scope
violation described in the "IPv6 support" section of the bridge(4) manual page,
but since allow_llz_overlap is set to 0 by default, it would require explicit
admin intervetion to end up with the broken configuration.

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