FreeBSD-main-amd64-test - Build #26676 - Still Unstable

FreeBSD-main-amd64-test - Build #26676 (ff11f1c8c76c053b442f1f1df97272939fbf5afc) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26676/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26676/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26676/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)

7a0bec970311f9aae35a7cb35b93e3c104e4e06b by ziaee:
Vendor import of mandoc at 2025-06-13

97f3af78f2b8045fcbe02c0c596adc9365924dd6 by dim:
Restore clang/tools/clang-scan-deps/ from upstream llvm-project branch

1cd5c35d136e2c8605b9ba23e6a5879539411947 by kp:
counter(9): rate limit periods may be more than 1 second

53a341d0e445269590dcb32f8c8320c3459a21c4 by kp:
pf: use counter_rate() for rate checking

ff11f1c8c76c053b442f1f1df97272939fbf5afc by kp:
pf: add a generic packet rate matching filter



The failed test cases:

3 tests failed.
FAILED:  sys.netinet.so_reuseport_lb_test.concurrent_add

Error Message:
Empty test result or no new line

FAILED:  lib.libcasper.services.cap_fileargs.fileargs_test.fileargs__open_realpath

Error Message:
/usr/src/lib/libcasper/services/cap_fileargs/tests/fileargs_test.c:733: test_file_open(fa, files[i], &fd) == 0 not met

FAILED:  sys.netinet.fibs_test.same_ip_multiple_ifaces_fib0

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