Something went wrong in the March (9.3.2017) update for the Omnia router.

After the update and automatic restart the router kept running, but stopped sending data (uCollect and firewall statistics). A restart of the device fixed it — uCollect recovered and new updates started downloading (version 3.6.2 in my case). Another restart followed and everything started working. Automatic updates and the device restart tied to them are useful, but when something goes wrong a problem arises. There's nothing for it but manual intervention...