FreeBSD-main-amd64-test - Build #23774 - Still Unstable

FreeBSD-main-amd64-test - Build #23774 (b1c66bc44af099174afb9840c7db011a5bd0225d) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23774/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23774/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/23774/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)

fc915f1be145a52c53f6f1c37525043216e32bb8 by markj:
pseudofs: Fix a potential out-of-bounds access in pfs_lookup()

6775ef4188b4d4c023e76ebd2b71fa8c2c7e7cd2 by markj:
netinet6: Implement in6_cksum_partial() using m_apply()

de0a2eb2ef86f6c41157529b827da06f47190e8c by markj:
tcp: Disallow connecting a disconnected socket

b1c66bc44af099174afb9840c7db011a5bd0225d by markj:
netinet tests: Add a test which connects a disconnected socket



The failed test cases:

2 tests failed.
FAILED:  sys.fs.fusefs.mknod.main

Error Message:
Returned non-success exit status 1

FAILED:  sys.netinet6.frag6.frag6_19.frag6_19

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