[2.2.0] Checkmk Werk 16368 created: service_discovery: Fixed internal server error on service discovery when IP cannot be resolved

Title: service_discovery: Fixed internal server error on service discovery when IP cannot be resolved Class: fix Compatible: compat Component: rest-api Date: 1707741261 Edition: cre Level: 1 Version: 2.2.0p23 Prior to this Werk, when a service discovery was requested from a host whose IP could not be resolved, the endpoint returned a 500 error status (Internal Server Error). This Werk corrects this behavior and now returns error code 400.