FreeBSD-main-amd64-test - Build #25047 - Still Unstable

FreeBSD-main-amd64-test - Build #25047 (c0d8f586299713f999b3b4757617a805774b03fa) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25047/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25047/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25047/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)

365067e98e4e9deba18070f5ebd4e9eee7149b6d by christos:
Revert "sound: Implement asynchronous device detach"

c0d8f586299713f999b3b4757617a805774b03fa by christos:
Revert "sound: Get rid of snd_clone and use DEVFS_CDEVPRIV(9)"



The failed test cases:

1 tests failed.
FAILED:  cddl.usr.sbin.zfsd.zfsd_unittest.main

Error Message:
Received signal 6