FreeBSD-main-amd64-test - Build #24180 - Still Unstable

FreeBSD-main-amd64-test - Build #24180 (fc4a6768272ea9e943661e0c34ff436dac872ac7) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24180/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24180/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24180/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)

63aa2e91342ead0495eada5667f413f0cf8eb56a by markj:
release/ec2: Remove references to portsnap

60c95af88f6a63fb7c2c86c6ff9c18743f6bbf0d by markj:
makefs/zfs: Remove a nonsensical comment

cb668587591c4850bf7fb939a2b79e0e9aa77f7c by imp:
Revert "sys/conf/newvers.sh: whack sccs tag"

fc4a6768272ea9e943661e0c34ff436dac872ac7 by imp:
newvers: Add comment about why we need sccs, but deprecate it



The failed test cases:

5 tests failed.
FAILED:  sys.netinet6.lpm6.lpm6_test2_success

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

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

FAILED:  usr.bin.file.file_test.contrib_file_tests

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

FAILED:  sys.fs.tmpfs.times_test.empty

Error Message:
Incorrect atime