[PATCH ipset 4/7] tests: check_klog.sh: unclutter stderr

My test vm doesn't have a kern.log file, but the existing
script will fall back to dmesg which is good enough for me.

Suppress the 'no such file' error from tail and go straight
to the dmesg fallback.

Signed-off-by: Florian Westphal <[email protected]>
---
 tests/check_klog.sh | 7 ++++++-
 tests/sendip.sh     | 3 +--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/tests/check_klog.sh b/tests/check_klog.sh
index 8ecad3eb987e..bc602be839aa 100755
--- a/tests/check_klog.sh
+++ b/tests/check_klog.sh
@@ -44,7 +44,12 @@ port=$1; shift
 
 set +e
 for setname in $@; do
-	match=`tail -n +$loglines /var/log/kern.log | grep -e "in set $setname: .* SRC=$ipaddr .* PROTO=$proto SPT=$port .*"`
+	if [ -r /var/log/kern.log ]; then
+		match=`tail -n +$loglines /var/log/kern.log | grep -e "in set $setname: .* SRC=$ipaddr .* PROTO=$proto SPT=$port .*"`
+	else
+		match=""
+	fi
+
 	if [ -z "$match" ]; then
 		match=`dmesg | tail -n +$loglines | grep -e "in set $setname: .* SRC=$ipaddr .* PROTO=$proto SPT=$port .*"`
 	fi
diff --git a/tests/sendip.sh b/tests/sendip.sh
index f80b24ab49b8..d1f8ebe4d75b 100755
--- a/tests/sendip.sh
+++ b/tests/sendip.sh
@@ -1,6 +1,5 @@
 #!/bin/bash
 
 # Save lineno for checking
-wc -l /var/log/kern.log | cut -d ' ' -f 1 > "$IPSET_TMP/.loglines"
+wc -l /var/log/kern.log 2>/dev/null | cut -d ' ' -f 1 > "$IPSET_TMP/.loglines"
 sendip "$@"
-
-- 
2.54.0