Foreman » Smart Proxy

Your Gemfile lists the gem rsec (< 1) more than once.
You should probably keep only one of them.
Remove any duplicate entries and specify the gem only once.
While it's not a problem now, it could cause errors if you change the version of one of them later.

This is from the file bundler.d/dhcp_isc.rb.

The result for users is that at least this cron generates an email every 30 minutes

Cron <foreman-proxy@satellite1> smart-proxy-openscap-send >> /var/log/foreman-proxy/cron.log