FreeBSD-stable-14-amd64-test - Build #900 - Still Unstable

FreeBSD-stable-14-amd64-test - Build #900 (0e4f9db00dc3907f90152afdeee7965555563927) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/900/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/900/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/900/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)

02816415a34aee8092c155ce53bec21126e2eb7f by ziaee:
kldstat.8: Polish options

894efae09de43a38b0ff667c4b7195dc377640e4 by zlei:
sysctl(9): Enable vnet sysctl variables to be loader tunable

d67b1748ea34ad6f66072694fd8b623ab0ea72b1 by zlei:
carp: Explicitly mark tunnable net.inet.carp.allow with CTLFLAG_NOFETCH

3965be101c434437ce8819250e9e6b3e5c3d702e by zlei:
pf: Convert PF_DEFAULT_TO_DROP into a vnet loader tunable

1d890d546b064f2c7753b949f5dbf00d79cde292 by zlei:
sysctl: Fix usage() and SYNOPSIS section of man page

0e4f9db00dc3907f90152afdeee7965555563927 by zlei:
sysctl: Sort options



The failed test cases:

7 tests failed.
FAILED:  sys.netpfil.common.dummynet.pf_queue

Error Message:
We failed prioritisation 1 times

FAILED:  sys.net.routing.test_routing_l3.py.TestIfOps::test_change_prefix_route[inet]

Error Message:
/usr/tests/sys/net/routing/test_routing_l3.py:42: AssertionError

FAILED:  sys.kern.sigsys.sigsys_test_off

Error Message:
/usr/src/tests/sys/kern/sigsys.c:70: sysctlbyname(name, &oldval, &oldlen, NULL, 0) == 0 not met

FAILED:  sys.kern.sigsys.sigsys_test_on

Error Message:
/usr/src/tests/sys/kern/sigsys.c:70: sysctlbyname(name, &oldval, &oldlen, NULL, 0) == 0 not met

FAILED:  usr.bin.grep.grep_test.recurse_symlink

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

FAILED:  sys.netmap.ctrl-api-test.main

Error Message:
Returned non-success exit status 255

FAILED:  sys.netlink.test_netlink_message_writer.py.__test_cases_list__

Error Message:
Test program did not exit cleanly