Automatic merge from submit-queue (batch tested with PRs 50531, 50853, 49976, 50939, 50607)

Log error from ensureDNSRecords

Hiding errors is not a good idea. It took me some time to figure it out why my coredns is not working. It turned out that I had wrong etcd configuration but errors about it were hidden.

```release-note
NONE
```