FreeBSD-main-amd64-test - Build #20108 - Still Unstable

FreeBSD-main-amd64-test - Build #20108 (f037731345f1f4d2b09bb91648c6b4ea8638a65f) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20108/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20108/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20108/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)

0cd475f86b09144843258dfcbc95af649aab7cec by obrien:
Document 7f911abe's new functions came in 11.0

e0861304a7b6b9c410db69be6148a5510c6b2d23 by rmacklem:
nfscl: Handle CB_SEQUENCE not first op correctly

c72372c693b36058b58a525981e833515ce8e441 by mckusick:
Update fsck(8) to ignore failures from a check program for a filesystem

300f4be4478175e139b77bb93b59fc7d9b749ec8 by imp:
tests: sys.netpfil.pf.killstate.v6 fails in CI

0ab7c42e946441bc22bf7cb645ce5356cb245b63 by imp:
tests: sys.netpfil.pf.set_tos.v6 fails in CI

8b44e26df3dc845817afcd10e4c5e10f664be086 by imp:
tests: sys.netpfil.pf.forward.v6 fails in CI

7821ef4487f6d8a9aea5b0460ded01563b0d0a6a by imp:
tests: sys.net.if_bridge_test.span is failing in CI

7090cba410b3fcaa00d75e86eacd636501b1494b by imp:
fsutil: forward declare struct fstab

58e354ec8b1ae0ec80fba02636e64930db4fd9c2 by imp:
stand: netif kill set but unused variables

85575132fe13a630467b9afe34cd245885d9b8a4 by imp:
stand/zfs: Mark pcount as unused

7a7a464c7e7d42cd72b1a201c3a3257cb6864ad8 by imp:
stand/userboot: Kill set but unused variables

f037731345f1f4d2b09bb91648c6b4ea8638a65f by imp:
stand/module: skip is only used by veriexec



The failed test cases:

2 tests failed.
FAILED:  lib.libnv.nvlist_send_recv_test.nvlist_send_recv__send_many_fds__dgram

Error Message:
/usr/src/lib/libnv/tests/nvlist_send_recv_test.c:457: nvl != NULL not met

FAILED:  sys.netpfil.pf.pfsync.defer

Error Message:
atf-check failed; see the output of the test for details