This incident has been resolved.

We have restored normal network connectivity to all affected cloud servers and continue to monitor the situation.
If you are still unable to connect to your server, please contact our support at support@upcloud.com.
We apologise for the incident.

We have identified an issue with network connectivity in our Frankfurt data centre. The affected cloud servers may experience slow connections or become unreachable.
We are working to restore connectivity and resolve the situation as soon as possible.