There was a strange glitch, a sudden wrap in T4 of slave2: http://151.106.50.57:3000/explore?schemaVersion=1&panes=%7B%225po%22:%7B%22datasource%22:%22influxdb%22,%22queries%22:%5B%7B%22datasource%22:%7B%22type%22:%22influxdb%22,%22uid%22:%22influxdb%22%7D,%22query%22:%22from%28bucket:%20%5C%22fts%5C%22%29%5Cn%20%20%7C%3E%20range%28start:%20v.timeRangeStart,%20stop:%20v.timeRangeStop%29%5Cn%20%20%7C%3E%20filter%28fn:%20%28r%29%20%3D%3E%20r%5B%5C%22_measurement%5C%22%5D%20%3D%3D%20%5C%22ftm%5C%22%29%5Cn%20%20%7C%3E%20filter%28fn:%20%28r%29%20%3D%3E%20r%5B%5C%22device%5C%22%5D%20%3D%3D%20%5C%22slave2%5C%22%29%5Cn%20%20%7C%3E%20filter%28fn:%20%28r%29%20%3D%3E%20r%5B%5C%22_field%5C%22%5D%20%3D%3D%20%5C%22t1%5C%22%20%20or%20r%5B%5C%22_field%5C%22%5D%20%3D%3D%20%5C%22t4%5C%22%29%5Cn%22,%22refId%22:%22A%22%7D%5D,%22range%22:%7B%22from%22:%221767010015405%22,%22to%22:%221767010028481%22%7D%7D%7D&orgId=1 should log raw FTM timers