Checkmk Werk 12700: Fix false positives and high CPU for smart ping

ID: 12700 Title: Fix false positives and high CPU for smart ping Component: Core & setup Level: 1 Class: Bug fix Version: 2.1.0i1 A timeout from a host being checked by smart ping could result in 100% CPU usage for the process and the program would stop working properly. This may in turn result in false positives for some hosts.