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Automatic merge from submit-queue (batch tested with PRs 55798, 49579, 54862, 55188, 51990). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. kubeadm: Create dnsIP by selecting the tenth IP from k8s svc CIDR **What this PR does / why we need it**: Creates dnsIP by selecting the ninth IP from k8s svc cluster IP, instead of appending 0 to the k8s svcIP string. **Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #51997 **Special notes for your reviewer**: This is helpful when we have service cluster range CIDR as 10.87.116.64/26 (for example), previously this would have failed while parsing the dnsIP, as we used to append a 0 to the k8s svc clusterIP string. This will get the same dnsIP 10.96.0.10 for very widely used service cluster range CIDR 10.96.0.0/12 **Release note**: ```release-note None ```