FreeBSD-stable-15-amd64-test - Build #245 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #245 (2bce3c9fcd574654681a81a23e31eca991815686) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/245/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/245/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/245/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)

2bce3c9fcd574654681a81a23e31eca991815686 by 0mp:
dtrace_io.4: Use bio_length instead of bio_bcount in examples



The failed test cases:

1 tests failed.
FAILED:  sys.netlink.test_netlink_message_writer.py.__test_cases_list__

Error Message:
Test program did not exit cleanly