diff --git a/runner/Dockerfile.dindrunner b/runner/Dockerfile.dindrunner
index be8a3003..3e4ebf34 100644
--- a/runner/Dockerfile.dindrunner
+++ b/runner/Dockerfile.dindrunner
@@ -19,6 +19,7 @@ RUN apt update -y \
     libunwind8 \
     locales \
     netcat \
+    net-tools \
     openssh-client \
     parallel \
     python3-pip \
diff --git a/runner/startup.sh b/runner/startup.sh
index 93af046c..6b79c49d 100644
--- a/runner/startup.sh
+++ b/runner/startup.sh
@@ -60,7 +60,7 @@ for process in "${processes[@]}"; do
 done
 
 if [ -n "${MTU}" ]; then
-  ifconfig docker0 mtu ${MTU} up
+  sudo ifconfig docker0 mtu ${MTU} up
 fi
 
 # Wait processes to be running