diff --git a/clustertool/embed/generic/patches/all.yaml b/clustertool/embed/generic/patches/all.yaml
index 9fe7ffff3ae..f5d5d8e01d2 100644
--- a/clustertool/embed/generic/patches/all.yaml
+++ b/clustertool/embed/generic/patches/all.yaml
@@ -49,6 +49,9 @@
     fs.inotify.max_user_watches: "524288"
     net.core.rmem_max: "2500000"
     net.core.wmem_max: "2500000"
+    user.max_user_namespaces: "11255"
+    vm.nr_hugepages: 1024
+    net.ipv4.tcp_fastopen: 3
 
 - op: add
   path: /machine/registries/mirrors