FreeBSD-main-amd64-test - Build #22773 - Still Unstable

FreeBSD-main-amd64-test - Build #22773 (bc42155199b5b0b479311e05b07aee7f6f9c5172) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22773/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22773/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22773/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)

922ba8695f9afa9d07b21a861536528d84685941 by edwin:
Vendor import of tzcode2010a:

0a3e753dde2993b4b341e9afce1ad10557ad569e by edwin:
Import of tzcode2010c:

f9c13c1a3125c3b582cf1cea2cfb61ba7c5be8b5 by edwin:
Vendor import of tzcode2010f:

dfca6b5ed7757d91368c5aace6705a1678825db7 by edwin:
Vendor import of tzcode2010l

f9a33080297db49be3f1ec97f077663ebe4766a0 by edwin:
Vendor import of tzcode2010m

157c2da9c527cd9ebae03b07bdae90e474d5a403 by edwin:
Vendor import of tzcode2010n:

9b5369d383baf54651be0922591eeb6263ce029d by philip:
Unsplit vendor import of tzcode 2010n

a24d752d3e77a28c877a5319face8d00aa1b558c by philip:
Import tzcode 2022c

8936fb5aced3ddb5ad8f6fd107df5c104359b264 by des:
Import tzcode 2022d

5644220527212c50e368d67cdf927f7f854b03af by des:
Import tzcode 2022e

cc16bfc34e07fede47a989d9552413c7b4d8e78e by des:
Import tzcode 2022f

85639444f44f168af982f59143b53efbba37669e by des:
Import tzcode 2022g



The failed test cases:

6 tests failed.
FAILED:  lib.libc.time.mktime_test.timegm_epoch

Error Message:
/usr/src/contrib/netbsd-tests/lib/libc/time/t_mktime.c:98: Expected errno 0, got 84, in t == (time_t)0

FAILED:  sys.net.if_tun_test.235704

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

FAILED:  usr.sbin.etcupdate.preworld_test.main

Error Message:
Returned non-success exit status 1

FAILED:  sys.aio.aio_test.aio_socket_blocking_short_write

Error Message:
Test case body timed out

FAILED:  sys.aio.aio_test.aio_socket_blocking_short_write_vectored

Error Message:
Test case body timed out

FAILED:  sys.aio.aio_test.aio_socket_short_write_cancel

Error Message:
/usr/src/tests/sys/aio/aio_test.c:1396: aio_error(&iocb) == EINPROGRESS not met