add for container privileged true

docker-compose.yml

@@ -25,6 +25,7 @@ services:
     cap_add:
       - NET_ADMIN
     restart: unless-stopped
+    privileged: true
 
 volumes:
   n8n_data:

start-n8n.sh

@@ -22,4 +22,4 @@ iptables -t nat -A OUTPUT -p tcp -d 172.16.0.0/12 -j RETURN 2>/dev/null || true
 iptables -t nat -A OUTPUT -p tcp -j REDIRECT --to-ports 12345 2>/dev/null || true
 
 # Start n8n
-exec "n8n start"  
+exec su -c "n8n start" node