FreeBSD-stable-14-amd64-test - Build #360 - Still Unstable

FreeBSD-stable-14-amd64-test - Build #360 (a8aa5ba3db694f97d21e946d6392c527af31f05b) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/360/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/360/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/360/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)

151495ac8ddeec3fed3c55963776699fde8c8c6b by kib:
chflags(1): Fix -f option

afb21c3a5910fee2e6792121302840c5c2a69369 by kib:
chflags(1): obey siginfo request on chflagsat(2) failure

a8aa5ba3db694f97d21e946d6392c527af31f05b by kevans:
kern: tty: fix ttyinq_read_uio assertion



The failed test cases:

4 tests failed.
FAILED:  sys.netinet6.proxy_ndp.pndp_neighbor_advert

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

FAILED:  sys.netpfil.pf.modulate.modulate_v6

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

FAILED:  sys.netpfil.pf.route_to.icmp_nat

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

FAILED:  sys.netlink.test_netlink_message_writer.py.__test_cases_list__

Error Message:
Test program did not exit cleanly