FreeBSD-main-amd64-test - Build #20927 - Still Unstable

FreeBSD-main-amd64-test - Build #20927 (bb53dd56c30c6360fc82be762ed98b0af6b9f69f) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20927/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20927/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20927/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)

bb53dd56c30c6360fc82be762ed98b0af6b9f69f by gnn:
kern_tc.c/cputick2usec() (which is used to calculate cputime from



The failed test cases:

4 tests failed.
FAILED:  sys.kern.ptrace_test.ptrace__follow_fork_parent_detached_unrelated_debugger

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

FAILED:  sys.netpfil.pf.ether.anchor

Error Message:
Failed to set PF rules in alcatraz

FAILED:  sys.netpfil.pf.set_skip.pr255852

Error Message:
Failed to set PF rules in alcatraz

FAILED:  sys.netpfil.pf.table.pr251414

Error Message:
Failed to set PF rules in alcatraz