FreeBSD-main-amd64-test - Build #25115 - Still Unstable

FreeBSD-main-amd64-test - Build #25115 (73cce7d8886bc59284c757decb49deba046e73fc) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25115/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25115/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25115/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)

40b57cb616ca19aee3de104acd058da289c936bb by emaste:
tzsetup: be explicit about *timezone* abbreviation

73cce7d8886bc59284c757decb49deba046e73fc by emaste:
mergemaster: postpone removal to FreeBSD 15



The failed test cases:

2 tests failed.
FAILED:  sys.kern.unix_seqpacket_test.random_eor_and_waitall

Error Message:
/usr/src/tests/sys/kern/unix_seqpacket_test.c:1182: send(params->sock, &params->sendbuf[off], len, flags) == len not met

FAILED:  sys.netinet6.divert.ipdivert_ip6_output_remote_success

Error Message:
1 != 0 (1 != 0)