* Update defaultbackend image to 1.3 ([#42212](https://github.com/kubernetes/kubernetes/pull/42212), [@timstclair](https://github.com/timstclair))

### etcd Empty Dir Cleanup
* Base etcd-empty-dir-cleanup on busybox, run as nobody, and update to etcdctl 3.0.14 ([#41674](https://github.com/kubernetes/kubernetes/pull/41674), [@ixdy](https://github.com/ixdy))

### Fluentd

- A small regression in Service updates was fixed. The circumstances are so unlikely that probably nobody would ever hit it. ([#104601](https://github.com/kubernetes/kubernetes/pull/104601), [@thockin](https://github.com/thockin))

the number of arguments bound to <code>p</code> and may differ for each
call site.
</p>

<p>
Given the function and calls
</p>
<pre>
func Greeting(prefix string, who ...string)
Greeting("nobody")
Greeting("hello:", "Joe", "Anna", "Eileen")
</pre>

<p>
within <code>Greeting</code>, <code>who</code> will have the value
<code>nil</code> in the first call, and