FreeBSD-main-amd64-test - Build #23349 - Still Unstable

FreeBSD-main-amd64-test - Build #23349 (485f783f882ed026cdbfede89aa7bddad3fffdf3) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23349/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23349/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23349/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)

3cc7b66732808a5f7f703f4b887fe6c60a3e7d4e by rrs:
tcp: stack unloading crash in rack and bbr

485f783f882ed026cdbfede89aa7bddad3fffdf3 by vangyzen:
limits_test: validate CPU time used, not real time



The failed test cases:

3 tests failed.
FAILED:  sys.netpfil.common.dummynet.pf_queue

Error Message:
We failed prioritisation 1 times

FAILED:  examples.test_ktest_example.py.__test_cases_list__

Error Message:
Test program did not exit cleanly

FAILED:  sys.netinet6.fibs6.fibs6_ifroutes1_success

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