502 bad gateway for pod to pod communication and unknown host exception

[rahul6941]

Describe the bug
We are getting 502 bad gateway for pod to pod communication for ( svc.cluster.local) traafic and also unknownhost exception for egress traffic

Steps to reproduce
resource "helm_release" "aws_vpc_cni" {
name = "aws-vpc-cni"
repository = "https://aws.github.io/eks-charts"
chart = "aws-vpc-cni"
namespace = "kube-system"
version ="1.18.3"

}

Expected outcome
no 502 bad gateway for pod to pod communication and no unknownhost exception for egress traffic

Environment

• Chart name:"aws-vpc-cni"
• Chart version:"1.18.3"
• Kubernetes version:1.30
• Using EKS (yes/no), if so version? yes

Additional Context:
This issue happening interment