autobuild[sn-devel-144]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-144) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-11-16-0848/flakey.log

The failure seems to be in the "samba" suite, whose build logs are available here:

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-11-16-0848/samba.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-11-16-0848/samba.stdout
  
The top commit at the time of the failure was:

commit 0872f140c4a354511b25bb5ed937b9e9409ade3a
Author: Volker Lendecke <vl at samba.org>
Date:   Thu Nov 15 15:21:36 2018 +0100

    torture: Fix the 32-bit build
    
    Unfortunately there's no off_t printf specifier as there's one for
    size_t. So we have to use intmax_t.
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Andreas Schneider <asn at samba.org>
    
    Autobuild-User(master): Andreas Schneider <asn at cryptomilk.org>
    Autobuild-Date(master): Thu Nov 15 19:45:24 CET 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
Missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
Missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
Missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
Missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
Missing dn CN=RODC,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
Missing dn CN=RODC,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
Missing dn CN=RODC,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
Replicate from localdc to localvampiredc was successful.
Failed to connect to ldap URL 'ldap://estrodcdrs6702538.samba.example.com' - LDAP client internal error: NT_STATUS_OBJECT_NAME_NOT_FOUND
Failed to connect to 'ldap://estrodcdrs6702538.samba.example.com' with backend 'ldap': LDAP client internal error: NT_STATUS_OBJECT_NAME_NOT_FOUND
Could not contact ldap://estrodcdrs6702538.samba.example.com ((1, 'LDAP client internal error: NT_STATUS_OBJECT_NAME_NOT_FOUND'))
missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
Missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
Missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
Missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
Missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
Missing dn CN=RODC,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
Missing dn CN=RODC,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
missing dn CN=ESTRODCDRS6702538,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector list
Missing dn CN=RODC,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=samba,DC=example,DC=com from UTD vector
UNEXPECTED(failure): samba.tests.samba_tool.visualize_drs.samba.tests.samba_tool.visualize_drs.SambaToolVisualizeDrsTest.test_uptodateness_stop_replication_domain(vampire_dc)
REASON: Exception: Exception: Traceback (most recent call last):
  File "/memdisk/autobuild/fl/b2421197/samba/bin/python/samba/tests/samba_tool/visualize_drs.py", line 361, in test_uptodateness_stop_replication_domain
    self.assertEqual(matrix[dc1][dc2], 0)
AssertionError: 1 != 0

FAILED (1 failures, 0 errors and 0 unexpected successes in 0 testsuites)

A summary with detailed information can be found in:
  ./bin/ab/summary
TOP 10 slowest tests
samba4.ldap.rodc_rwdc.python(rodc)(rodc:local) -> 449
samba4.drs.link_conflicts.python(promoted_dc)(promoted_dc) -> 440
samba4.drs.link_conflicts.python(vampire_dc)(vampire_dc) -> 379
samba4.drs.ridalloc_exop.python(vampire_dc)(vampire_dc) -> 316
samba4.ldap.confidential_attr.python(ad_dc_ntvfs)(ad_dc_ntvfs) -> 315
samba4.drs.repl_move.python(promoted_dc)(promoted_dc) -> 237
samba4.ldap.vlv.python(ad_dc_ntvfs)(ad_dc_ntvfs) -> 231
samba4.rpc.samr.passwords.lockout on ncacn_np with (ad_dc_ntvfs) -> 227
samba4.drs.replica_sync.python(vampire_dc)(vampire_dc:local) -> 226
samba4.drs.replica_sync.python(promoted_dc)(promoted_dc:local) -> 223
ERROR: test failed with exit code 1