Run all of these in 'foreman-rake console'
Check the event queue:
Katello::Event.count
Check 'bound repositories' known to katello
Host.find_by(:name => "dev.example.com").content_facet.bound_repositories.pluck(:name)
Check installed package profile known to katello:
Host.find_by(:name => "dev.example.com").installed_packages.count
Check 'bound repositories' known to pulp:
Katello::Pulp::Consumer.new(Host.find_by(:name => "dev.example.com").content_facet.uuid).bound_yum_repositories.count
Check errata ids known to pulp:
Katello::Pulp::Consumer.new(Host.find_by(:name => "dev.example.com").content_facet.uuid).applicable_errata_ids.count
Check errata ids known to katello:
Host.find_by(:name => "dev.example.com").content_facet.applicable_erratum_ids