ion', // disruption
                'Degraded', 'Upgradeable', 'False', 'Unknown',
                'PodLogInfo', 'PodLogWarning', 'PodLogError',
                'EtcdOther', 'EtcdLeaderFound', 'EtcdLeaderLost', 'EtcdLeaderElected', 'EtcdLeaderMissing'])
            .range([
                '#6E6E6E', '#0000ff', '#d0312d', '#ffa500', // pathological and interesting events
                '#fada5e','#fada5e','#ffa500', '#d0312d',  // alerts
                '#d0312d', '#ffa500', '#fada5e', // operators
       