FreeBSD-main-amd64-test - Build #20137 - Still Unstable

FreeBSD-main-amd64-test - Build #20137 (9a8cf950b259f6833c7562ce941b0cfeae6687e5) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20137/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20137/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20137/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)

623ecf23325691a0cc13991e160b5f5d11471830 by sjg:
Move ve_check_hash prototype to libsecureboot-priv.h

9a8cf950b259f6833c7562ce941b0cfeae6687e5 by glebius:
carp: fix send error demotion recovery



The failed test cases:

3 tests failed.
FAILED:  usr.bin.timeout.timeout_test.time_unit

Error Message:
Test case body timed out

FAILED:  lib.libnv.nvlist_send_recv_test.nvlist_send_recv__send_many_fds__dgram

Error Message:
/usr/src/lib/libnv/tests/nvlist_send_recv_test.c:457: nvl != NULL not met

FAILED:  sys.netmap.ctrl-api-test.main

Error Message:
Returned non-success exit status 255