FreeBSD-main-amd64-test - Build #21834 - Still unstable

FreeBSD-main-amd64-test - Build #21834 (693f88c9da8dccf173b40fd57d1d15504a54e9b4) - Still unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/21834/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/21834/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/21834/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)

b8103ca76de09414775aa2eaca7b0e1bca59136c by glebius:
netinet: get interface event notifications directly via EVENTHANDLER(9)

d94ec7490d3182ef3ad0b572acf0feb9c0a6827f by glebius:
rtsock: do not allocate mbufs_tags(9) just to store a 8-bit value

36b10ac2cd18a535cac20ccf51e3fc6c408671e8 by glebius:
rtsock: do not use raw socket code

ea7be1293b48385f27b97c5f112e4cad93cbd33b by glebius:
keysock: do not use raw socket code

f63cb32c1988561136fabdcc54d16cd200b666d9 by glebius:
Retire 4.4BSD raw sockets

8c77967ecc58b5db35bb285013c55492987a9061 by glebius:
protosw: retire pr_output method

3d2041c0353d3cc44bd2a6e37bf1c6e341d2b4db by glebius:
raw ip: merge rip_output() into rip_send()

e0b405003a2adb9f0b065a20eed7fc751001af36 by glebius:
raw ip6: merge rip6_output() into rip6_send()

bec11d96318bc8647f28b580829eeb7ba9d05768 by imp:
stand: Remove unnecessary include

f197c0bf3e075286ccea32cd12023f3317474c5a by imp:
stand: Move i386_devdesc to a union

c32dde3166922f55927764464d13f1bc9640f5f6 by imp:
stand: Change disk_fmtdev to take a struct devdesc *

d2d4e1271b33b233f57fd18a61a1b5c1b0aeb355 by imp:
stand: Change zfs_fmtdev to take a struct devdesc *

4d4b1a298c84f2357c304583dfe78d0e4b8fa2f1 by imp:
stand: Add dv_devfmt to return a string represenation of the device

dc472f67021320309ced970d3d26d30a04da0ef2 by imp:
stand: Add devformat to return formatted string for a device

ad759c73522efb606135e2891ac03864926b80a3 by imp:
stand: Add disk_fmtdev for dv_fmtdev for all the disk devices

ec9f3e776f39286ccec9915f38cca9729e6f9241 by imp:
stand: Use devformat rather than disk_devfmt

0b3a4a588fb6b30d923686828dab4685b94ec1ea by imp:
stand: Use devformat instead of disk_devfmt

654b7837a6a08ec5b51635badd14794754fab7c5 by imp:
stand: For zfs, set dv_fmtdev to zfs_fmtdev

edb26097cb6416adb89b54c830d36c0ead3ca64c by imp:
stand: Replace zfs_fmtdev with generic devformat()

1e7a2eb93a527a2f4b22be66788caf50e4ba1f89 by imp:
stand: efi_fmtdev can be reduced to devformat

1e9b23448a3010e8403eae08ad890fe1eb75da8b by imp:
stand: userboot_fmtdev can be reduced to devformat

add8154e451f441778fb9c2fb7d10d281dea9611 by imp:
stand: uboot_fmtdev can be reduced to devformat

362322294045943703e03dee263bbc237002525c by imp:
stand: i386_fmtdev can be reduced to devformat

7d72ff905770a64a22125c890438189db71104ae by imp:
stand: Make BIOS loader size limits settable

814bd1ed438f7dfc5bedcb1f3e772a46fe7026bb by kevans:
tools: test: iconv: fix open_2 to not segfault

ea0f37dec65daf2b7e05712738cd1720aae129eb by kevans:
iconv: only conditionally use ICONV_SET_DISCARD_ILSEQ

c1f46b8fcb9758b52afce5971d12167628f62dfd by kevans:
libc: iconv: push option ignore into citrus_iconv_open()

2300a22c971240e813e73515acfa3970e0871b20 by kevans:
libc: iconv: add mb_cur_min for encoder traits

693f88c9da8dccf173b40fd57d1d15504a54e9b4 by kevans:
iconv_std: complete the //IGNORE support



The failed test cases:

1 tests failed.
FAILED:  lib.libc.locale.c16rtomb_test.c16rtomb_utf_8_test

Error Message:
/usr/src/lib/libc/tests/locale/c16rtomb_test.c:145: c16rtomb(buf, L'A', &s) == (size_t)-1 not met