Comment 1 for bug 1921714

I think having a single cached view of lsof should be enough for evaluation of all healthchecks, in this round of execition.

We could look into https://opendev.org/openstack/tripleo-ansible/src/branch/master/tripleo_ansible/roles/tripleo_container_manage/templates/systemd-service.j2#L22 option to install some cache create/purge hooks for systemd units calling healthchecks