amazon-vpc-cni-k8s-tool for IP garbage collection
./cni-k8s-tool ip-gc --free-after=1s
Requires below IAM permissions:
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "VisualEditor0",
"Effect": "Allow",
"Action": "ec2:UnassignPrivateIpAddresses",
"Resource": "*"
}
]
}