[Bug 233535] Fix refcount leak in IPv6 MLD code leading to loss of IPv6 connectivity
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Tue Jan 15 06:49:04 UTC 2019
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233535
--- Comment #36 from Andrey V. Elsukov <ae at FreeBSD.org> ---
(In reply to Hans Petter Selasky from comment #33)
> Can you try playing with promiscious mode when there is no ping6 response?
This won't help. icmp6_input() will drop multicast packets if destination
address is targeted to group that we didn't join, even if ether_input() handled
packet and put it into IP6 netisr queue.
# netstat -sp ip6 | grep multicast
192 multicast packets which we don't join
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