n262026-37d97b10ff0e installworld failure

From: Graham Perrin <grahamperrin_at_freebsd.org>
Date: Fri, 07 Apr 2023 15:37:28 UTC

Log: <https://bsd.to/SSV4/raw>

Any ideas?

37d97b10ff0e was around twelve hours ago, 
<https://cgit.freebsd.org/src/log/?qt=range&q=37d97b10ff0e>