@Override
            public void eventReceived(Action action, Node node) {
                if (closed) {
                    return;
                }
                numNodeFailures = 0;
                withUpdateLock(updateId, () -> {
                    if (!updateNode(action, node)) {
                        return;
                    }
                    maybeUpdateEndpoints();
                });
            }
Fetches the internal IPs of the node.
kubernetes/src/main/java/com/linecorp/armeria/client/kubernetes/endpoints/KubernetesEndpointGroup.java