FreeBSD-stable-14-amd64-test - Build #461 - Still Unstable

FreeBSD-stable-14-amd64-test - Build #461 (71f16d2efe7e9e6ba15620d5ecf6c22051feebfd) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/461/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/461/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/461/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)

71f16d2efe7e9e6ba15620d5ecf6c22051feebfd by rmacklem:
nfsd.8: Document ways to minimize Copy operation times



The failed test cases:

6 tests failed.
FAILED:  sys.net.if_bridge_test.stp_validation

Error Message:
atf-check failed; see the output of the test for details

FAILED:  sys.netinet6.frag6.frag6_05.frag6_05_1

Error Message:
atf-check failed; see the output of the test for details

FAILED:  sys.netinet6.frag6.frag6_13.frag6_13

Error Message:
atf-check failed; see the output of the test for details

FAILED:  sys.netinet6.test_ip6_output.py.TestIP6Output::test_output6_base

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

FAILED:  sys.fs.tmpfs.times_test.empty

Error Message:
Test case was expecting a failure but none were raised

FAILED:  sys.netlink.test_netlink_message_writer.py.__test_cases_list__

Error Message:
Test program did not exit cleanly