FreeBSD-main-amd64-test - Build #28421 - Still Unstable

FreeBSD-main-amd64-test - Build #28421 (821976facf746ef241e1524b44bb1de0af98fdc0) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/28421/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/28421/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/28421/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)

821976facf746ef241e1524b44bb1de0af98fdc0 by rmacklem:
nfsd: Get rid of NFSD_VNET macros



The failed test cases:

3 tests failed.
FAILED:  sbin.ping.ping_test.timestamp_origin

Error Message:
Premature exit; test case exited with code 2

FAILED:  lib.libarchive.functional_test.test_archive_string_conversion_fail_c

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

FAILED:  lib.libarchive.functional_test.test_archive_string_conversion_fail_latin1

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