FreeBSD-main-amd64-test - Build #20100 - Still Unstable

FreeBSD-main-amd64-test - Build #20100 (9b602965311391f495f4edff246bcb1de5269bbb) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20100/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20100/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20100/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)

517a7adb1160850746227e4cc30d4bcc3ff04d7d by gallatin:
Make hwpmc work for userspace binaries again

e7236a7ddf37ffe330d323c7b6037230d10afee4 by mjg:
xen: plug some of set-but-not-used vars

40c928e7b80a7e2ba3652f7c3dc1d30fe92e5b48 by manu:
bsdinstall: bootconfig: Try to clean old efi boot entries

9935b0e8ea41804b32576987531be4d31ba705f1 by manu:
bsdinstall: zfsboot: Prompt user for zpool name if the pool already

9b602965311391f495f4edff246bcb1de5269bbb by rrs:
tcp: Rack in a rare case we can get stuck sending a very small amount.



The failed test cases:

4 tests failed.
FAILED:  sys.netpfil.pf.pfsync.defer

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

FAILED:  sys.netpfil.pf.forward.v6

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

FAILED:  sys.netpfil.pf.set_tos.v6

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

FAILED:  sys.netpfil.pf.killstate.v6

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