FreeBSD-main-amd64-test - Build #21938 - Still Unstable

FreeBSD-main-amd64-test - Build #21938 (48a7e53db78293ba2723cecfb3a3d5d23ea8e44d) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/21938/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/21938/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/21938/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)

278111b8a54141bdaf4c4a045539db21febf053f by andrew:
Allow the kernel to emulate the physical counter on arm64

7a060a8895b8e6c1cd0afded15da27c373eb0de9 by andrew:
Add an IDC only arm64 icache sync function

48a7e53db78293ba2723cecfb3a3d5d23ea8e44d by andrew:
Merge the common parts of the SMCCC handlers



The failed test cases:

1 tests failed.
FAILED:  sys.netpfil.pf.killstate.label

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