+ ignore_site_fields=['peer_id', 'peer_site_id','last_updated', 'date_created',
+ 'address_ids', 'node_ids', 'person_ids', 'pcu_ids', 'slice_ids' ]
+ ignore_key_fields=['peer_id','peer_key_id', 'person_id']
+ ignore_person_fields=['peer_id','peer_person_id','last_updated','date_created',
+ 'roles','role_ids','key_ids','site_ids','slice_ids','person_tag_ids']
+ ignore_node_fields=['peer_id','peer_node_id','last_updated','last_contact','date_created',
+ 'node_tag_ids', 'interface_ids', 'slice_ids', 'nodegroup_ids','pcu_ids','ports']
+ ignore_slice_fields=['peer_id','peer_slice_id','created',
+ 'person_ids','slice_tag_ids','node_ids',]
+