FreeBSD-stable-14-amd64-test - Build #2237 - Still Unstable

FreeBSD-stable-14-amd64-test - Build #2237 (b3563d1d49e89ed8486b2e9a73c573ecf281821d) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/2237/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/2237/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/2237/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)

41aa43fd5ad1d8b0c8b7e17a6e419279e8e5ddaa by kevans:
virtio_random: avoid using vtrnd_detach in the failure path

601d2a9a31d1a6253673551e403e7e4c84a6be67 by kevans:
virtio_random: stop on detach, don't poll

fcfae0a1093e7f27263dabce6fcd4aa837ce2596 by kevans:
virtio_pci_modern: enable virtqueues before completing attach

b3563d1d49e89ed8486b2e9a73c573ecf281821d by kevans:
virtio_random: defer first enqueue until after DRIVER_OK



The failed test cases:

2 tests failed.
FAILED:  sys.netinet6.frag6.frag6_07.frag6_07

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

FAILED:  sys.kern.unix_passfd_stream.empty_rights_message

Error Message:
/usr/src/tests/sys/kern/unix_passfd_test.c:946: msghdr.msg_controllen == CMSG_SPACE(sizeof(int)) not met