telegraf_fail

```
root@telegraf:/var/log# systemctl status telegraf
● telegraf.service - The plugin-driven server agent for reporting metrics into InfluxDB
   Loaded: loaded (/lib/systemd/system/telegraf.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sat 2019-02-23 09:37:06 UTC; 8min ago
     Docs: https://github.com/influxdata/telegraf
  Process: 20316 ExecStart=/usr/bin/telegraf -config /etc/telegraf/telegraf.conf -config-directory /etc/telegraf/telegraf.d $TELEGRAF_OPTS (code=exited, status=1/FAILURE)
 Main PID: 20316 (code=exited, status=1/FAILURE)

Feb 23 09:37:06 telegraf systemd[1]: telegraf.service: Service RestartSec=100ms expired, scheduling restart.
Feb 23 09:37:06 telegraf systemd[1]: telegraf.service: Scheduled restart job, restart counter is at 5.
Feb 23 09:37:06 telegraf systemd[1]: Stopped The plugin-driven server agent for reporting metrics into InfluxDB.
Feb 23 09:37:06 telegraf systemd[1]: telegraf.service: Start request repeated too quickly.
Feb 23 09:37:06 telegraf systemd[1]: telegraf.service: Failed with result 'exit-code'.
Feb 23 09:37:06 telegraf systemd[1]: Failed to start The plugin-driven server agent for reporting metrics into InfluxDB.
```