The RVH Manager does not recognize update for some host

Issue

In the RHV Manager is not available update for some hosts. There are available updates for 10 hosts, but for another 3 no.

 2017-06-05 22:21:59.942+02    | Check for available updates on host test was completed successfully with message 'no updates found.'.
 2017-06-05 12:20:44.058+02    | Check for available updates on host test was completed successfully with message 'no updates found.'.
 2017-06-05 12:20:40.43+02     | Started to check for available updates on host test.

But in OS is new verison of RHVH available.

# yum check-update
Loaded plugins: imgbased-warning, product-id, search-disabled-repos, subscription-manager
Warning: yum operations are not persisted across upgrades!
rhel-7-server-rhvh-4-rpms                                                                             | 2.3 kB  00:00:00

redhat-virtualization-host-image-update.noarch                 4.1-20170522.0.el7_3                 rhel-7-server-rhvh-4-rpms