FreeBSD-main-amd64-test - Build #20983 - Still Unstable

FreeBSD-main-amd64-test - Build #20983 (f5138631fb6f9dc73d696560caa006f3df714b9a) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20983/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20983/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20983/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)

cd8796cee0e5c5dc3a39551b9d1dce53f6dbdf6a by brooks:
share/mk: Remove obsolete reference to LINTLIBDIR

b1ad6a9000c3fc58d4373fa5a4733d46a9a365ca by brooks:
syscallarg_t: Add a type for system call arguments

8601fca7895cd4b5102112fe4d59ac1e0b4d591c by brooks:
sysent: regen for syscallarg_t

f5138631fb6f9dc73d696560caa006f3df714b9a by pstef:
uudecode: use SRCDIR in the regression test



The failed test cases:

2 tests failed.
FAILED:  sys.netpfil.pf.table.pr251414

Error Message:
Failed to set PF rules in alcatraz

FAILED:  usr.bin.uuencode.legacy_test.main

Error Message:
TAP test program yielded invalid data: Load of '/tmp/kyua.Ak1HYk/4131/stdout.txt' failed: Reported plan differs from actual executed tests