FreeBSD-main-amd64-test - Build #21091 - Still Unstable

FreeBSD-main-amd64-test - Build #21091 (70068a3e1d7a6aeaabd3a810f4e16f87e5f08339) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/21091/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/21091/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/21091/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)

70068a3e1d7a6aeaabd3a810f4e16f87e5f08339 by 0mp:
Cross-reference cd(4) and cd9660(5)



The failed test cases:

3 tests failed.
FAILED:  sys.kern.ptrace_test.ptrace__follow_fork_both_attached_unrelated_debugger

Error Message:
/usr/src/tests/sys/kern/ptrace_test.c:603: WIFSTOPPED(status) not met

FAILED:  sys.posixshm.posixshm_test.largepage_mmap

Error Message:
Empty test result or no new line

FAILED:  sys.netpfil.pf.ether.mac

Error Message:
Failed to set PF rules in alcatraz