FreeBSD-stable-15-amd64-test - Build #825 - Still Unstable

FreeBSD-stable-15-amd64-test - Build #825 (81b3a7991543e1cf2f279e474c9636f2a0ce2e6e) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/825/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/825/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/825/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)

b896c159135ddb9856fcee68f1ebc151bd21dfbe by christos:
bsdinstall: Add virtual_oss service option

81b3a7991543e1cf2f279e474c9636f2a0ce2e6e by christos:
virtual_oss_cmd(8): Improve error messages



The failed test cases:

1 tests failed.
FAILED:  sys.netpfil.pf.route_to.prefer_ipv6_nexthop_mixed_af_random_table_ipv4

Error Message:
Target 2001:db8:4202::42:4 not selected after 10 attempts!