FreeBSD-stable-14-amd64-test - Build #891 - Still Unstable

FreeBSD-stable-14-amd64-test - Build #891 (fe74df3f9db830194ba7b91d4d703dddee2a60c7) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/891/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/891/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/891/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)

0961e16b36684d4755ad16d789c9f4cb509c8f39 by kib:
libthr: use atomic_add_int() instead of atomic_fetchadd_int()

d6a896c3c83b1a0f473563dad5fc3f0427ee6f64 by kib:
pthread_mutex_trylock(): init libthr if needed

2050430609400237e4120e099c1aabd4e77e1c1e by kib:
libthr: switch thread and sleepq memory allocator to crt from libc

e2268518dff082d32b8399ccdac37ce3c597f178 by kib:
libpthread_init(): ensure curthread == NULL until set explicitly

1a085ee97343c3938a12a7813421cec05768945b by kib:
pthread_create(): style

2c0e00dc0147bdf3a6a84d0a16174aa521cbd262 by kib:
kill.1: mention special PID 0

fe74df3f9db830194ba7b91d4d703dddee2a60c7 by kib:
kill.1: mention special meaning of PGID as a PID



The failed test cases:

6 tests failed.
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