Operation install messages package registry

Following the airgapped documentation attempted to create my own package registery and copied all the files to the repo http server accessible by elasticand kibana. I attempted to upgrade the agetns however I didnt see any errors but I only see those messages operation install skipped metric beat
operation install skipped filebeat

etc and this message have been repeated multiple times where do I go to check for issues in terms of package registery communication with the agents attempting upgrade ?

I think may be the documentation may need an update if a service restart is required
the instructions that I followed :