FreeBSD-main-amd64-test - Build #22768 - Still Unstable

FreeBSD-main-amd64-test - Build #22768 (9408f36627b74a472dc82f7a43320235c0c9055a) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22768/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22768/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22768/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)

9408f36627b74a472dc82f7a43320235c0c9055a by melifaro:
testing: fix skipping netlink tests if netlink module is not loaded.



The failed test cases:

6 tests failed.
FAILED:  sys.netinet6.test_ip6_output.py.TestIP6OutputMulticast::test_output6_multicast[ff08]

Error Message:
/usr/local/lib/python3.9/multiprocessing/connection.py:383: EOFError

FAILED:  sys.fs.fusefs.mknod.main

Error Message:
Returned non-success exit status 1

FAILED:  usr.sbin.etcupdate.preworld_test.main

Error Message:
Returned non-success exit status 1

FAILED:  sys.aio.aio_test.aio_socket_blocking_short_write

Error Message:
Test case body timed out

FAILED:  sys.aio.aio_test.aio_socket_blocking_short_write_vectored

Error Message:
Test case body timed out

FAILED:  sys.aio.aio_test.aio_socket_short_write_cancel

Error Message:
/usr/src/tests/sys/aio/aio_test.c:1396: aio_error(&iocb) == EINPROGRESS not met