FreeBSD-main-amd64-test - Build #25253 - Still Unstable

FreeBSD-main-amd64-test - Build #25253 (0277c0c6f72a964bf0439db1f4558551052e4f3b) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25253/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25253/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25253/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)

cb53f83d8ad8ee6fd9778c38b30e71244254e5bb by pho:
Revert "stress2: Replace rename() with arc4random()"

ff4a72c159e06c15a4573b9a4b40f6dc55544538 by pho:
stress2: Replace random() with arc4random()

0277c0c6f72a964bf0439db1f4558551052e4f3b by emaste:
ktrace(1): add more xrefs



The failed test cases:

4 tests failed.
FAILED:  sys.kern.ptrace_test.ptrace__follow_fork_parent_detached_unrelated_debugger

Error Message:
/usr/src/tests/sys/kern/ptrace_test.c:591: WIFSTOPPED(status) not met

FAILED:  lib.msun.fma_test.zeroes

Error Message:
6 checks failed; see output for more details

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)