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kube-proxy: validate dual-stack cidrs #87353
What type of PR is this?
What this PR does / why we need it:
kube-proxy was not validating correctly the clusterCIDRs, if
It also fixes a bug where validation was not taking into account
Which issue(s) this PR fixes:
Special notes for your reviewer:
Does this PR introduce a user-facing change?:
Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:
kube-proxy was not validating correctly the clusterCIDRs, if dual-stack it MAY have 1 or more clusterCIDRs. If it has 2 cidrs and at least one of each IP family. It also fixes a bug where validation was not taking into account the feature gates global state.
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