FreeBSD-main-amd64-test - Build #25187 - Still Unstable

FreeBSD-main-amd64-test - Build #25187 (661a83f9bf9f6028c5617d413d59b7f0d9201abd) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25187/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25187/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25187/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)

9b30b96c1fa4ee0dfc540878fbb3247bf92d19eb by olce:
Remove remnants of portsnap(8)

661a83f9bf9f6028c5617d413d59b7f0d9201abd by markj:
vm: Fix error handling in vm_thread_stack_back()



The failed test cases:

3 tests failed.
FAILED:  sys.netpfil.common.dummynet.pf_queue

Error Message:
We failed prioritisation 1 times

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)