diff --git a/t_server/original/client_vm/bin/t_client.sh b/t_server/original/client_vm/bin/t_client.sh
index a180cda..98b53cc 100755
--- a/t_server/original/client_vm/bin/t_client.sh
+++ b/t_server/original/client_vm/bin/t_client.sh
@@ -141,6 +141,9 @@ else
 fi
 
 LOGDIR=t_client-`hostname`-`date +%Y%m%d-%H%M%S`
+if [ -n "$TEST_RUN_GROUP" ]; then
+    LOGDIR="${LOGDIR}-${TEST_RUN_GROUP}"
+fi
 LOGDIR_ABS="$PWD/$LOGDIR"
 if mkdir $LOGDIR
 then :
@@ -240,7 +243,7 @@ get_ifconfig_route()
     # except Linux and MacOS
     case $UNAME in
 	Linux)
-            if [ -x /usr/bin/resolvectl ] ; then
+            if [ -x /usr/bin/resolvectl -a -d /run/systemd/system ] ; then
                 echo "-- linux resolvectl --"
                 resolvectl status
             else
diff --git a/t_server/original/run_t_clients.sh b/t_server/original/run_t_clients.sh
index ddf9756..d5ec1b8 100755
--- a/t_server/original/run_t_clients.sh
+++ b/t_server/original/run_t_clients.sh
@@ -49,12 +49,18 @@ do
         grep "Test sets" $LOG | grep -v none >> $SUMMARY
         case $RC in
 	    0)  ;;	# all good
-	    30) EXIT_CODE=1 ;;	# some tests failed
+	    30) # some tests failed
+	        EXIT_CODE=1
+	        echo "Tests failed in ($T/$G)"
+	        echo "-----------------"
+	        cat $LOG
+	        echo "-----------------"
+		;;
 	    77) ;;      # no tests run
 	    *)	# unexpected failure, show more details!
 	        echo "Test run $T/$G failed (host=$HOST): rc=$RC" | tee -a $SUMMARY
 	        echo "-----------------"
-	        tail $LOG
+	        cat $LOG
 	        echo "-----------------"
 	        echo ""
 	        exit 1