[Bug 291420] [epair] Bad UDP packet checksum with epair(4) and txcsum enabled

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From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 10 Dec 2025 09:02:52 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291420

--- Comment #17 from vova@zote.me ---
(In reply to Michael Tuexen from comment #16)

aha, 

what if system has multiple exit interfaces and some of them have no
offloading?

what if system has virtual exit interfaces (like tunnels)?

all these cases are up to adminstrator or kernel should always calculate
checksum on exit via non-local interfaces if it was delayed?

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