17:28:18.621 [main] DEBUG org.openecomp.core.validation.types.GlobalValidationContext - '[VLAN2]: Parent port property virtual_machine_interface_refs is missing in VLAN Resource ID [template_Vlan_2]' [WARNING] in file 'nested.yml' 
17:28:18.626 [main] DEBUG org.openecomp.core.validation.types.GlobalValidationContext - '[VLAN2]: VLAN Tag property virtual_machine_interface_properties_sub_interface_vlan_tag is missing in VLAN Resource ID [template_Vlan_2]' [WARNING] in file 'nested.yml' 
17:28:18.639 [main] DEBUG org.openecomp.core.validation.types.GlobalValidationContext - '[VLAN1]: More than one parent port found, there should be only one parent port for a VLAN sub-interface ID [template_Vlan_2]' [ERROR] in file 'nested.yml'