FreeBSD-stable-15-amd64-test - Build #462 - Still unstable

FreeBSD-stable-15-amd64-test - Build #462 (5f95e0e9dcca35c7a3519533aa7192a4ace986d2) - Still unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/462/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/462/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-test/462/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)

6c24c795487d29defef87bf586eea748274b7758 by jilles:
sh: Fix a double free in a rare scenario with pipes

5f95e0e9dcca35c7a3519533aa7192a4ace986d2 by jilles:
sh: Fix job pointer invalidation with trapsasync



The failed test cases:

2 tests failed.
FAILED:  sys.netpfil.pf.route_to.random_table

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

FAILED:  sys.netpfil.pf.nat.endpoint_independent_compat

Error Message:
server1 did not receive connection from client (default)