The service is experiencing difficulties and is unavailable at the moment. We are currently working on it and hope it will be fixed shortly.
Thank you for your patience.
Nomagic hostmaster - We will adapt
This is considered fixed for now. We have tuned some additional settings which will hopefully avoid last incident to reoccur.
Rebooting the server brought the Network back. We are now investigating and will decide further whether to order another reboot after patching the server.
It appears we have hit a known issue with this particular NIC vendor, which dates as far back as 2014...