If I make a similar assumption with regards to the R6400 I replaced on account of security vulnerabilities, concerns with 3rd bash firmware, and problems more than updates, That could be a electrical power draw of https://macktechbiz.com/blogs/news/unleashing-the-power-of-micro-appliance-pc-firewalls-a-revolution-in-open-source-firewall-solutions-with-zenarmor-and-opnsense-support