FreeBSD-stable-15-amd64-test - Build #1168 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #1168 (b85a27b796c7b6d8a6d3b019f493e22e96fac11d) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1168/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1168/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1168/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)

0687bcb51caa66e25078701eb689de4ae4b63a5f by mchoo:
ixl: fix big-endian hardware interface handling

8135c7e49f39b1da64dfce7ee2a56a048cb8eaaa by mchoo:
libkvm: support little-endian powerpc64 minidumps

a73e8c4f2663cc6aababec4ad4115ef05121528c by mchoo:
libkvm: route powerpc64 minidumps to minidump backend

2465e78aeca2fea5d02c5fe52247206bed9ee43d by mchoo:
powerpc/radix: synchronize temporary kernel mappings

64060ae4af71ca814375edd4aa87956b33788c54 by mchoo:
ci: Remove Cirrus CI files

ff904d783889fe99b595e483e543b81dcb63e58c by mchoo:
arm: pad minidump page table

f02a5391295e37474d66d92b6a76433a2f4ac643 by mchoo:
powerpc/radix: include page tables in minidumps

b85a27b796c7b6d8a6d3b019f493e22e96fac11d by mchoo:
libkvm: support powerpc64 radix minidumps



The failed test cases:

2 tests failed.
FAILED:  sys.netpfil.pf.pfsync.bulk

Error Message:
state not found on synced host

FAILED:  lib.libexecinfo.sigtramp_test.test_backtrace_sigtramp

Error Message:
/usr/src/lib/libexecinfo/tests/sigtramp_test.c:30: n > 1 not met