FreeBSD-main-amd64-test - Build #26436 - Still Unstable

FreeBSD-main-amd64-test - Build #26436 (0693c3f7cb3d9e5389863a0c131ddef799c77091) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26436/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26436/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26436/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)

0693c3f7cb3d9e5389863a0c131ddef799c77091 by zlei:
ifnet: Integrate if_unroute() into if_down()



The failed test cases:

4 tests failed.
FAILED:  lib.libcasper.services.cap_fileargs.fileargs_test.fileargs__open_read

Error Message:
/usr/src/lib/libcasper/services/cap_fileargs/tests/fileargs_test.c:303: test_file_open(fa, files[i], &fd) == 0 not met

FAILED:  sys.kqueue.libkqueue.kqueue_test.main

Error Message:
Received signal 6

FAILED:  sys.netinet.broadcast.INADDR_BROADCAST

Error Message:
/usr/src/tests/sys/netinet/broadcast.c:65: sending of broadcast failed: 51

FAILED:  sys.netinet.fibs_test.same_ip_multiple_ifaces_fib0

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