Playbook for Hetzner VMs being reported as unreachable

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Playbook for debugging Hetzner issue

  1. Check with a separate device that the services being reported as down are unreachable
  2. Manually run `traceroute -I` as root from status.delftinfra.net to a VM that is unreachable.
  3. Check the traceroute items already configured on Zabbix to ns1, wouter.dev.delftsolutions.nl and vincent.dev.delftsolutions.nl
  4. Determine whether or not there is a hop in the path, for any of these traceroutes, that is either the cause of the issue, or a likely contender for further investigation.
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