FreeBSD-stable-14-amd64-test - Build #1470 - Still Unstable

FreeBSD-stable-14-amd64-test - Build #1470 (5e4bed48699aeaa351a57c848a38138e804ed5fc) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/1470/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/1470/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/1470/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)

715f597eb2eadbf666a22a48e8431ce2f21447ce by kib:
arm, powerpc, riscv: implement atomic_set/clear_16

1cf34a9ead7b3851369fe5fbb62663acb7b2aeba by kib:
arm/atomic.h: remove misleading comment

a3be514dbcd1386d42887d10f49aaa3b085b7d7d by kib:
x86: directly use clflushopt mnemonic in cpufunc.h

db0b2f107a46a1b01ca21054fe655132f2495e01 by kib:
amd64 cpufunc.h: add rcs(), to read code selector

994b3f20900d59fca8935525f4007de1378b2918 by tuexen:
tcp: whitespace cleanup

5e4bed48699aeaa351a57c848a38138e804ed5fc by tuexen:
tcp: refactor tcp_send_challenge_ack()



The failed test cases:

3 tests failed.
FAILED:  sys.opencrypto.runtests.main

Error Message:
1 of 1 tests failed

FAILED:  sys.netinet.fibs_test.same_ip_multiple_ifaces_fib0

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