- Don't use a custom dialer for the kubelet if is not rotating certificates, so we can reuse TCP connections and have only one between the apiserver and the kubelet.
  If users experiment problems with stale connections  using HTTP1.1, they can force the previous behavior of the kubelet by setting the environment variable DISABLE_HTTP2. ([#104844](https://github.com/kubernetes/kubernetes/pull/104844), [@aojea](https://github.com/aojea)) [SIG API Machinery, Auth and Node]