FreeBSD-stable-15-amd64-test - Build #1196 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #1196 (a32f681d8e8276a0a16897e066eddf8fe77ca0f8) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1196/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1196/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1196/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)

727f8d9a9f74be4bc8fcf0b0d387e43d6137876f by jbo:
usbdevs: Add ublox LARA-L6

a32f681d8e8276a0a16897e066eddf8fe77ca0f8 by jbo:
u3g: Add ublox LARA-L6 modem



The failed test cases:

3 tests failed.
FAILED:  sys.netinet6.frag6.frag6_07.frag6_07

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

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