Comment 1 for bug 1912140

A workaround is to add them to the ignore_metrics like below:

root@grafana-1:/var/log/juju# diff /var/lib/juju/agents/unit-grafana-0/charm/reactive/grafana.py /home/ubuntu/grafana.py
924c924,926
< "neutron_public_ip_usage"
---
> "neutron_public_ip_usage",
> 'ceph_osd_perf_apply_latency_seconds',
> 'ceph_osd_perf_commit_latency_seconds'
root@grafana-1:/var/log/juju#