FreeBSD-stable-15-amd64-test - Build #337 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #337 (11b309c0a717bce634ca6acc8e1c4260810aae9b) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/337/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/337/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/337/console

Status explanation:
"Unstable" - some tests are suspected being broken by the following changes
"Still Unstable" - the failing test cases have not been fixed by these
                   following changes and this is a notification to note that
                   these changes have not been fully tested by the CI system

Change summaries:
(Those commits are likely but not certainly responsible)

c512446400fab8c650225704ef9f31b19270fadb by jhb:
thread0: Stop calling thread0 "swapper"

6cafc75b3930753c611c0ad86a00305bf3d202b2 by jhb:
sys: Remove/update references to the swapper process in various comments

b35c6373910aef21bd01f7b52b4b58bd85ed306d by jhb:
ruxreset: Add an inline function to reset all the stats in rusage_ext

ebb0e512d97e4355832fdc162a7a036842acf817 by jhb:
thread0: Clear td_rux stats in proc0_post

c358d6c0f350b64dd721581d115a231d365a119b by jhb:
proc0_post: Clear relevant thread stats directly

444d2f9e21521f5ff29f518a357a22a81c9d03d5 by jhb:
bsdinstall: Mount /dev and /packages after using the shell to partition

84140c99e54b1a5bb4caa7200b102f96ced14649 by jhb:
nvmf_tcp.4: Don't quote the document description given to .Nd

6a99a27d434559160e64eaac3c7f5898d9997f48 by jhb:
rman: Simplify initialization of internal globals

11b309c0a717bce634ca6acc8e1c4260810aae9b by jhb:
netlink: Don't overwrite existing data in a linear buffer in snl_writer



The failed test cases:

1 tests failed.
FAILED:  sys.netlink.test_netlink_message_writer.py.__test_cases_list__

Error Message:
Test program did not exit cleanly