* kubeadm: avoid double deletion of the upgrade prepull DaemonSet ([#80798](https://github.com/kubernetes/kubernetes/pull/80798), [@xlgao-zju](https://github.com/xlgao-zju))
* Fixes problems with connecting to services on localhost on some systems; in particular, DNS queries to systemd-resolved on Ubuntu. ([#80591](https://github.com/kubernetes/kubernetes/pull/80591), [@danwinship](https://github.com/danwinship))

## Known Issues

### Etcd v3.5.[0-2] data corruption

// https://www.iana.org/domains/root/db/call.html
call

// calvinklein : PVH gTLD Holdings LLC
// https://www.iana.org/domains/root/db/calvinklein.html
calvinklein

// cam : Cam Connecting SARL
// https://www.iana.org/domains/root/db/cam.html
cam

// camera : Binky Moon, LLC
// https://www.iana.org/domains/root/db/camera.html
camera

// camp : Binky Moon, LLC

<pre class="grammar">
"var" IdentifierList "=" ExpressionList .
</pre>

<pre>
i, j := 0, 10
f := func() int { return 7 }
ch := make(chan int)
r, w, _ := os.Pipe()  // os.Pipe() returns a connected pair of Files and an error, if any
_, y, _ := coord(p)   // coord() returns three values; only interested in y coordinate
</pre>

<p>