diff --git a/scripts/stat-ping b/scripts/stat-ping
index 3d58638..8d88f39 100755
--- a/scripts/stat-ping
+++ b/scripts/stat-ping
@@ -12,6 +12,9 @@ if [[ -n $1 ]] ; then
 	fi
 fi
 
+date >> $OUTPUT_DIR/ping.error.log
+echo "stat-ping: start" >> $OUTPUT_DIR/ping.error.log
+
 while [[ 1 ]] ; do
 	stat-bonding out
 	for VLAN in {10..4000} ; do
diff --git a/scripts/stat-ping110 b/scripts/stat-ping110
index 94e51df..7040ae9 100755
--- a/scripts/stat-ping110
+++ b/scripts/stat-ping110
@@ -12,6 +12,9 @@ if [[ -n $1 ]] ; then
 	fi
 fi
 
+date >> $OUTPUT_DIR/ping.error.log
+echo "stat-ping: start" >> $OUTPUT_DIR/ping.error.log
+
 while [[ 1 ]] ; do
 	stat-bonding out
 	VLAN=110 ;