 function isPodLog(eventInterval) {
        if (eventInterval.source === 'PodLog') {
            return true
        }
        return eventInterval.source === 'EtcdLog';

    }

    function isInterestingOrPathological(eventInterval) {
        return eventInterval.source === 'KubeEvent' && eventInterval.message.annotations["pathological"] === "true";
    }

    function isE2EFailed(eventInterval) {
        if (eventInterval.source === "E2ETest" && eventInterval.message.annotations["status"] === "Failed") {
