FreeBSD-main-amd64-test - Build #25785 - Still Unstable

FreeBSD-main-amd64-test - Build #25785 (c296ac7e0f1c2fc9bc8bcab0177afb123ce6993a) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25785/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25785/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25785/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)

c296ac7e0f1c2fc9bc8bcab0177afb123ce6993a by alc:
vm: Optimize page rename



The failed test cases:

2 tests failed.
FAILED:  sys.netinet6.ndp.ndp_del_gu_success

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

FAILED:  sys.net.routing.test_routing_l3.py.TestIfOps::test_change_prefix_route[inet]

Error Message:
/usr/tests/sys/net/routing/test_routing_l3.py:42: AssertionError