1 files changed, 5 insertions, 2 deletions

diff --git a/src/transport/test_transport_simple_send_string.sh b/src/transport/test_transport_simple_send_string.sh
index 018ea55e8..f9510e6b6 100755
--- a/src/transport/test_transport_simple_send_string.sh
+++ b/src/transport/test_transport_simple_send_string.sh
@@ -7,8 +7,11 @@ T:libgnunet_test_transport_plugin_cmd_simple_send
 P:1:1|{connect:{P:1:2:tcp}}
 P:1:2|{connect:{P:1:1:tcp}}
 EOF
-)
-if  [ "$(sysctl -n kernel.unprivileged_userns_clone)" == 1 ]; then
+      )
+if ! [ -d "/run/netns" ]; then
+    echo You have to create the directory /run/netns.
+fi
+if  [ "$(cat /proc/sys/kernel/core_uses_pid)" == 1 ]; then
     exec unshare -r -nmU bash -c "mount -t tmpfs --make-rshared tmpfs /run/netns; ./test_transport_start_with_config -s '$string'"
 else
     echo -e "Error during test setup: The kernel parameter kernel.unprivileged_userns_clone has to be set to 1! One has to execute\n\n sysctl kernel.unprivileged_userns_clone=1\n"