Even using managed k8s such as GKE, at $DAYJOB, we have run into issues where the default DNS configuration with kube-dns just falls over, and DNS resolution wi

Even using managed k8s such as GKE, at $DAYJOB, we have run into issues where the default DNS configuration with kube-dns just falls over, and DNS resolution within workloads starts hanging/timing out. We were doing absolutely nothing special. Debugging it was challenging, and GCP support was not helpful.