Cherry pick of #16344: validation: Allow overlap of pod/node CIDR and service CIDR #16345
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We allowed this previously, so this is a regression for existing clusters. These clusters are not obviously broken, and the kube-controller-manager (for example) will exclude the service range when issuing node CIDRs. As such, remove validation until we can determine if anything is actually broken by an overlap (and a path forwards if so). Issue kubernetes#16340
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: justinsb The full list of commands accepted by this bot can be found here. The pull request process is described here
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Cherry pick of #16344 on release-1.28.
#16344: validation: Allow overlap of pod/node CIDR and service CIDR
For details on the cherry pick process, see the cherry pick requests page.