FreeBSD-main-amd64-test - Build #25770 - Still Unstable

FreeBSD-main-amd64-test - Build #25770 (45d108ee147cc8776a659578da585b31a0ba5643) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25770/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25770/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25770/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)

41fe9d53005ef213ff16d9b095c0a88e3f2fb296 by bapt:
nuageinit: implement ssh_keys support

f3b371f4d938c09c4cdc8fd95b4b52e1d8dd41dd by bapt:
nuageinit: remove redundant mkdirs

fc26f24b3ef276b2a9f73c9778aecff7377b1aeb by oshogbo:
colrm(1): Replace magic exit codes with standard macros

95498a5acc0888ed2e73237b82a1e90f109473f9 by oshogbo:
colrm(1): Capsicumise

f7a6cf3a020600b77795729d1c01780dae8e6d2e by oshogbo:
leave(1): Replace magic exit codes with standard macros

24a7303821ad2343b9239ab3d12a569a70a2b99a by oshogbo:
leave(1): Capsicumise

11ba19ddbb7eb5d978a67e0592deba64f7197aad by oshogbo:
leave: style nit

09ef538713e08a98584dbcf66ff80290cc1b41a2 by jhibbits:
uart: Add primitive noise filtering on RX

08a38bb098e96f2ec77b26fab3b22bc4be89332a by oshogbo:
leave: we should also cache time zone

4dd6597a56f8c7ff03d4f451b612a9e45442c549 by oshogbo:
perror(1): Replace magic exit codes with standard macros

82e9f8c2d19ba5d132438a764352eb3b4826fc58 by oshogbo:
perror(1): Reorder headers alphabetically to meet style(9) compliance

adc02d5e3cfad9c9d7e12f776cad651795d9ad78 by oshogbo:
perror(1): Capsicumise

0963af50e96d9c8e93041e9faf281c895bb53dbe by oshogbo:
perror: style nits

45d108ee147cc8776a659578da585b31a0ba5643 by kib:
pf_route6(): one more __sdt_used annotation



The failed test cases:

2 tests failed.
FAILED:  sys.netinet6.ndp.ndp_slaac_default_route

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

FAILED:  sys.net.routing.test_routing_l3.py.TestIfOps::test_change_prefix_route[inet]

Error Message:
/usr/tests/sys/net/routing/test_routing_l3.py:42: AssertionError