FreeBSD-main-amd64-test - Build #23256 - Still Unstable

FreeBSD-main-amd64-test - Build #23256 (0ec03c0b10b125f5996d59fee904248978981898) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23256/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23256/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23256/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)

fe5e6e2cc5d6f2e4121eccdb3a8ceba646aef2c9 by mckusick:
Improvement in UFS/FFS directory placement when doing mkdir(2).

0ec03c0b10b125f5996d59fee904248978981898 by markj:
cross-build: Add secure_getenv() for MacOS cross builds



The failed test cases:

3 tests failed.
FAILED:  sys.netinet6.test_ip6_output.py.TestIP6OutputLL::test_output6_linklocal

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

FAILED:  sbin.ping.test_ping.py.TestPing::test_pinger[_3_1_verbose_false]

Error Message:
/usr/tests/sbin/ping/test_ping.py:1309: AssertionError

FAILED:  sys.kern.ktls_test.ktls_listening_socket

Error Message:
/usr/src/tests/sys/kern/ktls_test.c:2804: bind(s, (struct sockaddr *)&sin, sizeof(sin)) == 0 not met