FreeBSD-stable-15-amd64-test - Build #330 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #330 (d3690a5995867e35d4d1dc63127343d4b0a092d6) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/330/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/330/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/330/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)

d3690a5995867e35d4d1dc63127343d4b0a092d6 by wulf:
devfs: make destroy_dev() a release barrier for cdevpriv destructors



The failed test cases:

3 tests failed.
FAILED:  sys.net.if_tun_test.transient

Error Message:
Test case body timed out

FAILED:  sys.netpfil.pf.route_to.prefer_ipv6_nexthop_mixed_af_random_table_ipv4

Error Message:
Target 2001:db8:4202::42:4 not selected after 10 attempts!

FAILED:  sys.netlink.test_netlink_message_writer.py.__test_cases_list__

Error Message:
Test program did not exit cleanly