fix lonely_node variable name
fix lonely_node variable name

SUSE-Cloud/automation,vmoravec/automation,aspiers/automation,gosipyan/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,gosipyan/automation,aspiers/automation,gosipyan/automation,vmoravec/automation,aspiers/automation,aspiers/automation,vmoravec/automation,SUSE-Cloud/automation,gosipyan/automation,vmoravec/automation