FreeBSD-stable-15-amd64-test - Build #412 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #412 (d80f249cbaccc3ef30714a08163db7e01e729663) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/412/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/412/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/412/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)

6aca792f6f003dceb5ec1b50698c78c33e9b271d by leres:
Remove obsolete BUGS section from zgrep(1) man page, add test

d80f249cbaccc3ef30714a08163db7e01e729663 by leres:
grep/tests: Fix up the zgrep executable path in a newly added test



The failed test cases:

2 tests failed.
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