FreeBSD-main-amd64-test - Build #22786 - Still Unstable

FreeBSD-main-amd64-test - Build #22786 (36a9ce874b5988dc8615a4b1b3fb41eb9e06051d) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22786/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22786/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22786/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)

8372afd096ea24d45a573fce11024d143058cdab by mhorne:
Clarify DTR_ENABLED make variable

b926b6db37f3195e83f9fd2751b7e0c6dcf8aaef by mhorne:
riscv: always include frame pointer

10eed6bc2bc84a646241a05def3f2542af5df79e by mhorne:
dtrace: include fbt module unconditionally

2f2ec4bce96058c061f4c08fd62e67c37992dec3 by mhorne:
dtrace: remove unused defines

756a67e15e01d06e6ceda551dff3e0356c624187 by mhorne:
dtrace: kill mips definitions in profile provider

cdfa49f2584ac174648ced04d76a47ad6773f2f0 by mhorne:
dtrace: dtrace_getpcstack() tweaks for riscv

40fdda022a16ec1a5ec18e7111a8cb8c147aefaf by mhorne:
dtrace: correct profile aframes value for riscv

36a9ce874b5988dc8615a4b1b3fb41eb9e06051d by mhorne:
dtrace: correct the aframes value for fbt provider



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