FreeBSD-main-amd64-test - Build #24226 - Still Unstable

FreeBSD-main-amd64-test - Build #24226 (9aa71bad2180d3903175d9d19c47f1076637eb25) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24226/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24226/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24226/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)

2a6c62109c74e2f991e385329572def6a5044bb2 by noreply:
ARC: Remove b_cv from struct l1arc_buf_hdr

4848a0898e51a7b1483f974ac5be0061fe966481 by noreply:
tests/block_cloning: sync before write in fallback test

82d2291398398535b461b5851935a67bbd63e5a6 by noreply:
CI: add FreeBSD build with Cirrus CI

96b9cf42e0e4b182b1a6969a89dc44391196e59f by noreply:
ARC: Remove b_bufcnt/b_ebufcnt from ARC headers

75a2eb7facc4d82a114198521bc6c87c06d10a1a by behlendorf1:
ARC: Drop different size headers for crypto

342357cd9e719d9271f6d1bd339c6a92e6d19785 by noreply:
Reduce number of metaslab preload taskq threads.

5b8688e62074874e78fa7ff0056f4bc21c61f0ba by noreply:
zfsconcepts: add description of block cloning

8f5aa8cb00fb591c7dc9a91f0f2ff5b42de5f9c1 by behlendorf1:
tests: add tests for zpool import behaviour when hostid changes

54b1b1d893cff26417fa8042776d7865d798d765 by behlendorf1:
import: require force when cachefile hostid doesn't match on-disk

74ed1ae08a16d836efb4e24759fa4ffdb7d1af30 by noreply:
rpm: Fix `make rpm` on Debian/Ubuntu

66b81b349749bc1ba11fa277bee860be03315429 by noreply:
ZIL: Reduce maximum size of WR_COPIED to 7.5K

9aa71bad2180d3903175d9d19c47f1076637eb25 by mm:
zfs: update zfs_config.h and zfs_gitrev.h missing in b2526e8bfe51



The failed test cases:

3 tests failed.
FAILED:  sys.netinet6.frag6.frag6_19.frag6_19

Error Message:
Global IPv6 statistics do not match: 19 != 20

FAILED:  usr.bin.file.file_test.contrib_file_tests

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

FAILED:  sys.fs.tmpfs.times_test.empty

Error Message:
Incorrect atime