FreeBSD-stable-15-amd64-test - Build #349 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #349 (198ef2a31cee7dd256434ad6120d279d9bcc211a) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/349/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/349/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/349/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)

bbc5f5483723635eeace96015144ab56b2dab3d5 by wulf:
LinuxKPI: Move vmap-related code from linux_compat.c to linux_page.c

304c24df44d3ff70a26d1a8fd6653c5c4e765165 by wulf:
LinuxKPI: Implement vmap_pfn

198ef2a31cee7dd256434ad6120d279d9bcc211a by wulf:
LinuxKPI: bump __FreeBSD_version for vmap_pfn implementation



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