FreeBSD-main-amd64-test - Build #23685 - Still Unstable

FreeBSD-main-amd64-test - Build #23685 (eb5bfdd06565b38939079bf29265264efb1e21c0) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23685/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23685/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23685/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)

43b117f88f3044d5f08e70b0daf0bb964f9ecb4b by rscheff:
tcp: make the maximum number of retransmissions tunable per VNET

eb5bfdd06565b38939079bf29265264efb1e21c0 by rscheff:
tcp: Add and update cubic module variable names



The failed test cases:

3 tests failed.
FAILED:  sys.netinet6.frag6.frag6_19.frag6_19

Error Message:
Global IPv6 statistics do not match: 19 != 20

FAILED:  sys.netlink.test_rtnl_ifaddr.py.TestRtNlAddIfaddrLo::test_add_6[gu_host]

Error Message:
/usr/tests/sys/netlink/test_rtnl_ifaddr.py:702: AssertionError

FAILED:  sys.netlink.test_rtnl_ifaddr.py.TestRtNlAddIfaddrLo::test_add_6[gu_prefix]

Error Message:
/usr/tests/sys/netlink/test_rtnl_ifaddr.py:702: AssertionError