website/content/en/docs/reference/command-line-tools-reference/feature-gates/ip-tables-ownership-cleanup.md

title	content_type	_build	stages
IPTablesOwnershipCleanup	feature_gate	list render never false	stage defaultValue fromVersion toVersion alpha false 1.25 1.26 stage defaultValue fromVersion toVersion beta true 1.27 1.27 stage defaultValue fromVersion stable true 1.28

This causes kubelet to no longer create legacy iptables rules.