Hardware: RB5009
Issue: Container import problem in v7.9. After upgraded firmware v7.9 to RB5009, I tried to update the existing working container for Adguardhome to the latest version as well (adguard/adguardhome:latest). The following error was found in the log.
Registry in use : https://registry-1.docker.io
Solution: http://forum.mikrotik.com/t/v7-8beta-testing-is-released/163742/1
... importing remote image: adguard/adguardhome, tag: latest
... was unable to import, container d9f3b14b-efe0-4788-90ee-edeb024f08fb