FreeBSD-main-amd64-test - Build #23544 - Unstable

FreeBSD-main-amd64-test - Build #23544 (d2b4753f06dcabc090080b8c8c91bda00fc8dac3) - Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23544/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23544/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23544/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)

1cf4473fa36dd9252f2258e86adf85eb94694b9c by wosch:
remove stale script epfe.pl

27783115a91ca0348df255514d7370e68a3d83df by wosch:
remove stale message-id scripts

1206aa278642ec72e974f3d1dfa8f7b374281b83 by wosch:
remove stale handbook scripts

b3087b63da4f9d1ce75f40fa97c5c16dbb61580f by wosch:
remove stale portsinfo script

ef7d0eb9489f39169a1ae83c576fe74e40d126ad by bapt:
pw: do not call system()

c7fdf87b0985de602827cfb2a8ccb3aebaf42318 by bapt:
pci_vendors: update to 2023-05-15

d904b43ba3ffe2201f2c5aabcdc1af7709601d9a by bapt:
dma: install a simple example for the auth.conf file

d2b4753f06dcabc090080b8c8c91bda00fc8dac3 by bapt:
periodic: Use locale-agnostic (ISO 8601) timestamp format



The failed test cases:

1 tests failed.
FAILED:  sys.netinet6.test_ip6_output.py.TestIP6OutputMulticast::test_output6_multicast[ff08]

Error Message:
/usr/local/lib/python3.9/multiprocessing/connection.py:383: EOFError