FreeBSD-main-amd64-test - Build #24582 - Still Unstable

FreeBSD-main-amd64-test - Build #24582 (ddc8576d297937a1395f47550a8f5b1fac79afc2) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24582/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24582/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24582/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)

08c33cd94da18b4cae73a4837e13f677345a6c1e by glebius:
hpts: avoid duplicate call to tcp_output()

a558130881e9d574dc5f37827fe2284667d5aba8 by rmacklem:
nfscl: Fix handling of expired Kerberos credentials (NFSv4.1/4.2)

208f089d459d506f0ff4809e62cfcbe8805e4b4e by rmacklem:
RELNOTES: Add an entry for commit 1a878807006c

d4d14d965fb92d2bceb744be41310dc47f27ab80 by imp:
atf-sh: fix comment typo

c6ae97c44d4dc0d90d20bec3235a6484912767a1 by imp:
sys: ${CFLAGS:N-flto} -> ${CFLAGS:N-flto*}

fd4fafa8732203a3e20f5404a65de83d37687e3a by imp:
timeout_test.sh: Fix typo

b3ab6b5029104c04697df40015add32f219671fa by imp:
ncal(1): print the correct option name when -B is specified twice

10b84b88f08afed6850a21c1ccffeed9f9fc607b by imp:
cat: Use present tense

916273680b6d6439a117d6cf8c2d7423234bc1c0 by markj:
ti: Handle errors from copyin() and copyout()

2873d841f81cdc205135370875d3d71a3402e90a by markj:
tdfx: Handle errors from copyin() and copyout()

b4a9e6d81447c46c7bae56dc798097d9d3a4c495 by markj:
hptmv: Handle errors from copyout() in hpt_set_info()

ddc8576d297937a1395f47550a8f5b1fac79afc2 by markj:
fb: Explicitly handle errors when getting or setting a colour palette



The failed test cases:

2 tests failed.
FAILED:  sys.netpfil.common.dummynet.pf_pls_gilbert

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

FAILED:  sys.netmap.ctrl-api-test.main

Error Message:
Returned non-success exit status 255