Merge pull request kubernetes#4363 from carlory/patch-1

Mark KEP-3178 as implemented

Author: k8s-ci-robot

keps/sig-network/3178-iptables-cleanup/kep.yaml

@@ -5,7 +5,7 @@ authors:
 owning-sig: sig-network
 participating-sigs:
   - sig-node
-status: implementable
+status: implemented
 creation-date: 2022-01-23
 reviewers:
   - "@thockin"