diff --git a/tests/funcs/filter.sh b/tests/funcs/filter.sh
index 6e5fa2e2..3dc593c8 100644
--- a/tests/funcs/filter.sh
+++ b/tests/funcs/filter.sh
@@ -170,6 +170,9 @@ t_filter_dmesg()
 	# some ci test guests are unresponsive
 	re="$re|longest quorum heartbeat .* delay"
 
+	# creating block devices may trigger this
+	re="$re|block device autoloading is deprecated and will be removed."
+
 	egrep -v "($re)" | \
 		ignore_harmless_unwind_kasan_stack_oob
 }
diff --git a/tests/tests/get-referring-entries.sh b/tests/tests/get-referring-entries.sh
index 6bd17682..e0a9df97 100644
--- a/tests/tests/get-referring-entries.sh
+++ b/tests/tests/get-referring-entries.sh
@@ -72,7 +72,7 @@ touch $T_D0/dir/file
 mkdir $T_D0/dir/dir
 ln -s $T_D0/dir/file $T_D0/dir/symlink
 mknod $T_D0/dir/char c 1 3 # null
-mknod $T_D0/dir/block b 7 0 # loop0
+mknod $T_D0/dir/block b 42 0 # SAMPLE block dev - nonexistant/demo use only number
 for name in $(ls -UA $T_D0/dir | sort); do
 	ino=$(stat -c '%i' $T_D0/dir/$name)
 	$GRE $ino | filter_types