Merge branch 'release-1.8.0' into develop

          "measurement": "events",

          "orderByTime": "ASC",

          "policy": "default",

          "query": "SELECT type,description FROM $database.autogen.events WHERE (\"src\" =~ /^$src$/ AND (\"dest\" =~ /^$dest$/ OR \"dest\" = \'\')) AND $timeFilter ORDER BY time desc LIMIT 100",

          "query": "SELECT type,description FROM $database.autogen.events WHERE (\"src\" =~ /^$src$/ AND (\"dest\" =~ /^$dest$/ OR \"dest\" = \"\")) AND $timeFilter ORDER BY time desc LIMIT 100",

          "rawQuery": true,

          "refId": "A",

          "resultFormat": "time_series",