The first failure is: Failed to join domain: failed to lookup DC info for domain 'SAMBA-TEST' over rpc: The attempted logon is invalid. This is either due to a bad username or authentication information.
Created attachment 13794 [details] Possible patches for master
Created attachment 13806 [details] Patches for v4-7-test
Created attachment 13807 [details] Patches for v4-6-test
Re-assigning to Karolin for inclusion in 4.7.next, 4.6.next.
(In reply to Jeremy Allison from comment #4) Pushed to autobuild-v4-{7,6}-test.
Pushed to both branches. Closing out bug report. Thanks!