FreeBSD-main-amd64-test - Build #24712 - Unstable

FreeBSD-main-amd64-test - Build #24712 (120ceebab5d4947dfc80d7492effa034a925d43e) - Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24712/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24712/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24712/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)

24fee9771e0b1e2f4836b9bb1688cbe8104b403a by kib:
sys/file.h: style

58d3171698341c664d7c676541b86385a924ae93 by kib:
Add fget_remote()

168c7580c6328342945db0e19a0791466bb07624 by kib:
file: add fo_cmp method

d8decc9ae31af7ffc77276c89639fb13eb1020cc by kib:
Add kcmp(2) kernel bits

211bdd601ee51f90da9b123807ef68ac122116b9 by kib:
Add kcmp(2) userspace bits

f28526e9466cd60ed33053e922238ba1c9040341 by kib:
kcmp(2): implement for generic file types

f04220c1b0641fa68d01dc85d9fef706b02f4079 by kib:
kcmp(2): implement for vnode files

5c41d888de1aba0e82531fb6df4cc3b6989d37bd by kib:
kcmp(2): implement for devfs files

41fb6dc3d4df632ffacf91b5631a718442d129d5 by kib:
kcmp(2): implement for linuxkpi cdevs

f006524d6d696cc2a10b9e90a9a6ea412f1839eb by kib:
kcmp(2): implement for procdesc

38bfddf597b18615ad07accd923ce29a951eaab9 by kib:
regen

2a284076ecb4d22928b78249070efa46153666ff by kib:
kern_openat(): rename fd argument to dirfd

3d59b93b207e5008ea0b79b38268243abf225546 by kib:
kern_openat(): minor style fixes

c662306e19ce60d0f5e5e32a22ddcd5c79a90849 by kib:
Add kern_openatfp(9)

120ceebab5d4947dfc80d7492effa034a925d43e by kib:
Bump __FreeBSD_version for kern_openatfp(9) and kcmp(2)



The failed test cases:

1 tests failed.
FAILED:  sys.netinet6.test_ip6_output.py.TestIP6OutputLoopback::test_output6_self_tcp[ll-no_sav]

Error Message:
/usr/tests/atf_python/sys/net/tools.py:93: IndexError