FreeBSD-main-amd64-test - Build #25086 - Still Unstable

FreeBSD-main-amd64-test - Build #25086 (6f454c211b295ad13e80fc5b858efc9bad33e33b) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25086/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25086/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25086/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)

6f454c211b295ad13e80fc5b858efc9bad33e33b by cperciva:
release/Makefile.vm: Support read-only ports tree



The failed test cases:

5 tests failed.
FAILED:  sys.netinet6.test_ip6_output.py.TestIP6Output::test_output6_pktinfo[ifsame]

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

FAILED:  sys.kern.unix_passfd_stream.empty_rights_message

Error Message:
/usr/src/tests/sys/kern/unix_passfd_test.c:906: len == -1 && errno == EINVAL not met

FAILED:  sys.kern.unix_seqpacket_test.random_eor_and_waitall

Error Message:
/usr/src/tests/sys/kern/unix_seqpacket_test.c:1182: send(params->sock, &params->sendbuf[off], len, flags) == len not met

FAILED:  sys.netinet6.divert.ipdivert_ip6_output_remote_success

Error Message:
1 != 0 (1 != 0)

FAILED:  cddl.usr.sbin.zfsd.zfsd_unittest.main

Error Message:
Received signal 6