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

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From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 14 Dec 2025 17:27:36 UTC

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

--- Comment #26 from leper <leper4@protonmail.com> ---
(In reply to Michael Tuexen from comment #25)
I did configure TXCSUM on the tap device before adding it to the jail's bridge.
But I guess the reconfiguration of the bridge interface happening only when an
interface is added/removed might explain why the host bridge does not seem to
adjust to a possible lack of TXCSUM properly.

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