FreeBSD-main-amd64-test - Build #25829 - Still Unstable

FreeBSD-main-amd64-test - Build #25829 (5e310866c3733cbf2e38e15c3f16cba16136829e) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25829/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25829/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25829/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)

c9febea3dc8ac8e308e8fc5a2e74dd0313fdc5d2 by tuexen:
icmp: improve INVARIANTS check

7d0d52fc7c53bcb3c827fa6873baf583633ad183 by brooks:
distributeworld: dedup dist(.debug).meta generation

5e310866c3733cbf2e38e15c3f16cba16136829e by emaste:
Cirrus-CI: Switch default job to llvm19-amd64



The failed test cases:

2 tests failed.
FAILED:  sys.netpfil.pf.mbuf.inet6_in_mbuf_len

Error Message:
1 != 2 (1 != 2)

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