SolrCloud + 2 shards + subquery + auth = 401 Exception

Environment: * Solr 6.4.1

• Zookeeper 3.4.6
• Java 1.8

Run Zookeeper
Upload simple configuration wherein the Solr schema has fields for a relationship between parent/child

Run two Solr instance (2 nodes)
Create the collection with 1 shard on each Solr nodes
 
Add parent document to one shard and child document to another shard.

The response for: * /select?q=ChildIdField:VALUE&fl=*,parents:[subqery]&parents.q={!term f=id v=$row.ParentIdsField}

correct.
 
After that add Basic Authentication with some user for collection.
Restart Solr or reload Solr collection.
If the simple request /select?q=: with authorization on Solr server is a success then run previously request
with authorization on Solr server and you get the exception: "Solr HTTP error: Unauthorized (401) "
 
Screens in the attachment.