FreeBSD-stable-14-amd64-test - Build #883 - Still Unstable

FreeBSD-stable-14-amd64-test - Build #883 (c348cdf132572ab821f7c75a97453c1d238239b9) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/883/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/883/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/883/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)

e6025bc05cda3a33ac9e9d9e1b0a5677956f0d47 by markj:
Fix "vrefact: wrong use count 0" with DRM

3e22772769757b31d2b9383b5f510d4e43afaa8b by markj:
sed: The change ("c") command should start a new cycle.

6d34cce6068401e5736c05b3c130c0583af1f2e9 by markj:
sed tests: Add a regression test for the c function

797bb39ccd5f57c3206665949d3cba35328cfdeb by eugen:
sockets: virtualize kern.ipc.numopensockets

c348cdf132572ab821f7c75a97453c1d238239b9 by eugen:
sockets: virtualize kern.ipc.soacceptqueue



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