https://bugs.gentoo.org/942637

commit 4fd777e87e589652b1127b79ac6688ed7cb151fe
Author: Wilfried Teiken <wteiken@teiken.org>
Date:   Sun Dec 3 15:07:01 2023 -0500

    Ignore output of 'openssl req -verify'.

--- a/dehydrated
+++ b/dehydrated
@@ -1011,7 +1011,7 @@ signed_request() {
 extract_altnames() {
   csr="${1}" # the CSR itself (not a file)
 
-  if ! <<<"${csr}" "${OPENSSL}" req -verify -noout 2>/dev/null; then
+  if ! <<<"${csr}" "${OPENSSL}" req -verify -noout >/dev/null 2>&1; then
     _exiterr "Certificate signing request isn't valid"
   fi