[Bug 231416] dhcp / dhclient: bad udp checksums if running on a vlan on a Intel I211 / Broadcom interfaces

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231416

Stephen Hurd <shurd at FreeBSD.org> changed:

           What    |Removed                     |Added
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             Status|Open                        |In Progress

--- Comment #6 from Stephen Hurd <shurd at FreeBSD.org> ---
The packet captures are consistent with the checksum being calculated with the
pseudo header having the correct checksum, not zero.  Forcing the UDP checksum
to zero before passing to the card would likely work around the issue, but I
want to figure out what changed to cause this issue to crop up first.

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