FreeBSD-main-amd64-test - Build #20050 - Still Unstable

FreeBSD-main-amd64-test - Build #20050 (0f74021fb6a5c3fb6e031892cc159b1e7e325bd6) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20050/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20050/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20050/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)

e735fa321224bb81fbd51907638293c22be40b8e by mjg:
net/if.c: plug set-but-not-unused vars

5d8176337e691d3ca3fa7d519bc3eaacf6d9faee by jhb:
libthr: Remove the DTV_OFFSET macro.

03f6b141068ee7f1004ebfc76242cf951494b7d2 by jhb:
mips: Rename TLS_DTP_OFFSET to TLS_DTV_OFFSET.

23e0c0e9a3e0c73169c2aa90e26bb5cb35f1aa2f by jhb:
mips: Add TLS_DTV_OFFSET to the result of tls_get_addr_common.

9952b82b398968a243909ee3854b1968c3cc8c12 by jhb:
mips _libc_get_static_tls_base: Narrow scope of #ifdef.

299617496cc3c525a63833894fd8dbdc4e5de6a7 by jhb:
amd64: Allocate TCB with alignment of 16 rather than 8.

4c2f5bfbfa48b33b11912e7308ebd6f98fb6e647 by jhb:
libc: Fix the alignment of the TCB to match rtld for several

1a62e9bc0046bfe20f4dd785561e469ff73fd508 by jhb:
Add <machine/tls.h> header to hold MD constants and helpers for TLS.

75395023ff1edaf4832389716338b1ba12121ffe by jhb:
libthr: Use <machine/tls.h> for most MD TLS details.

8bcdb144ebe391ce243c71caf06cf417d96ce335 by jhb:
TLS: Use <machine/tls.h> for libc and rtld.

ae67737a4cdbf70bf0bdba5b6694b3ab78134ccb by jhb:
libc: Remove _get_tp() and _set_tp().

0f74021fb6a5c3fb6e031892cc159b1e7e325bd6 by dchagin:
pseudofs: Destroy vncache hashtbl on pseudofs module unload.



The failed test cases:

5 tests failed.
FAILED:  lib.libregex.exhaust_test.regcomp_too_big

Error Message:
Empty test result or no new line

FAILED:  sys.netpfil.pf.pfsync.defer

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

FAILED:  sys.netpfil.pf.forward.v6

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

FAILED:  sys.netpfil.pf.set_tos.v6

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

FAILED:  sys.netpfil.pf.killstate.v6

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