FreeBSD-main-amd64-test - Build #26891 - Still Unstable

FreeBSD-main-amd64-test - Build #26891 (d505ef08ffbe3b7383fbc6ed30121de9256ac18e) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26891/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26891/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/26891/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)

9c7db0931d486ce800aa71d9f41abfad9f7f691f by kevans:
flua: move lposix back into flua for now

bb4167463ac44b47ded4e0223a0abd8381ca6cd8 by kevans:
nuageinit: require lfs where it's needed

d505ef08ffbe3b7383fbc6ed30121de9256ac18e by kevans:
flua: unbreak the build



The failed test cases:

2 tests failed.
FAILED:  lib.libregex.exhaust_test.regcomp_too_big

Error Message:
Empty test result or no new line

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!