We have detected an issue on the switch for this rack.
Our datacenter and network teams are working on it to restore the service as quickly as possible.
We will keep you updated as soon as we have more information.
28/06/19 1756 (1856LT)
The product team has identified the root cause and working on a fix
28/06/19 1830 (1930LT)
The issue has been solved, all server are now up and running.