Check_MK Werk 6036: Fixed broken IP lookup in Check_MK service when using Nagios core

ID: 6036 Title: Fixed broken IP lookup in Check_MK service when using Nagios core Component: Core & setup Level: 2 Class: Bug fix Version: 1.6.0i1 The "Check_MK" services of hosts were not doing IP resolution correctly, leading to messages like "(No output returned from plugin)" and non working checking for these hosts.