Hi Kurco,
Although the solution you provided solved majority of the cases for our Linux endpoints, however some devices still do not. Some have SecureBoot enabled, some do not. I have done the signed keys solution but to no avail. I'll share some logs if you could help, I'd be very grateful.
Regards & Thanks.
eea_logs_SB-enabled.zip
eea_logs-SB-disblaed.zip
eea_logs-SB-enabled.zip