FreeBSD-stable-15-amd64-test - Build #1126 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #1126 (f3b4b6b756e2ce9e012068c5c91492f757b5c548) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1126/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1126/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/1126/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)

b01f66cb0e3bdf7f12bac161feaf9bc4d3a5a091 by markj:
proc: free kstack buffers when debug permission changes

52850d1831de7a3e1ab4aeba3919b26f68f4b7dc by markj:
dtrace/arm64: de-pessimize dtrace_copy

4d3f5d2ca43c7b00fe03276e85a51e215655bc6d by markj:
ktls: Add a tunable to disable TLS receive

6d6a85c0be942d903a076d930c0ee67d150b0cfb by markj:
ktls: Fix an off-by-one bug in tls13_find_record_type()

f3b4b6b756e2ce9e012068c5c91492f757b5c548 by markj:
udp: Let jail policy rewrite the dstaddr for v6 sendto()s



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