[Bug 288638] "kern.ipc.nmbufs limit reached" when running BGP and OSPF over Wireguard

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 15 Aug 2025 13:20:07 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=288638

--- Comment #2 from Felix Annen <freebsd@bodems.net> ---
Created attachment 262983
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=262983&action=edit
Screenshot of nmbufs numbers

I recorded the numbers of nmbufs during the last week and rebootet the two
routers a few days ago, before it reached the limit. Since then, the increase
is still there, but significant slower than before. The only thing I did was an
update to FreeBSD 14.3-RELEASE-p2. I attached a graph of the nmbufs numbers
during this time.

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