Checkmk Werk 10048: Fix bulk discovery error on cluster nodes

ID: 10048 Title: Fix bulk discovery error on cluster nodes Component: WATO Level: 1 Class: Bug fix Version: 1.7.0i1 When executing a bulk discovery operation on nodes of a cluster, this could result in an error displaying "'clustered_old'" in the progress dialog for the affected host. The services were not updated for these hosts.