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-144/2018-10-25-1431/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-144/2018-10-25-1431/samba.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-10-25-1431/samba.stdout
  
The top commit at the time of the failure was:

commit d3571415469ece5341a330c8987139d0f5749e52
Author: Noel Power <noel.power at suse.com>
Date:   Thu Oct 18 09:49:24 2018 +0100

    CI/Autobuild: Remove samba-none-env-py3 test
    
    We now run a purepython3 none-env test, later when the whole
    build is running under python3 we will resurrect this job
    but as (samba-none-env-py2) for python2
    
    Signed-off-by: Noel Power <noel.power at suse.com>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Tue Oct 23 09:10:22 CEST 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
badPwdCount = '3'
lockoutTime = '131849441333633120'
badPasswordTime = '131849441333633120'
Failed to bind - LDAP error 49 LDAP_INVALID_CREDENTIALS -  <8009030C: LdapErr: DSID-0C0904DC, comment: AcceptSecurityContext error, data 775, v1db1> <>
Failed to connect to 'ldap://rodc' with backend 'ldap': LDAP error 49 LDAP_INVALID_CREDENTIALS -  <8009030C: LdapErr: DSID-0C0904DC, comment: AcceptSecurityContext error, data 775, v1db1> <>
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
badPwdCount = '3'
lockoutTime = '131849441333633120'
badPasswordTime = '131849441333633120'
Failed to bind - LDAP error 49 LDAP_INVALID_CREDENTIALS -  <8009030C: LdapErr: DSID-0C0904DC, comment: AcceptSecurityContext error, data 775, v1db1> <>
Failed to connect to 'ldap://rodc' with backend 'ldap': LDAP error 49 LDAP_INVALID_CREDENTIALS -  <8009030C: LdapErr: DSID-0C0904DC, comment: AcceptSecurityContext error, data 775, v1db1> <>
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
badPwdCount = '3'
lockoutTime = '131849441333633120'
badPasswordTime = '131849441333633120'
Failed to bind - LDAP error 49 LDAP_INVALID_CREDENTIALS -  <8009030C: LdapErr: DSID-0C0904DC, comment: AcceptSecurityContext error, data 775, v1db1> <>
Failed to connect to 'ldap://rodc' with backend 'ldap': LDAP error 49 LDAP_INVALID_CREDENTIALS -  <8009030C: LdapErr: DSID-0C0904DC, comment: AcceptSecurityContext error, data 775, v1db1> <>
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
badPwdCount = '3'
lockoutTime = '131849441333633120'
badPasswordTime = '131849441333633120'
UNEXPECTED(failure): samba4.ldap.rodc_rwdc.python(rodc).__main__.RodcRwdcCachedTests.test_login_lockout_ntlm(rodc:local)
REASON: Exception: Exception: Traceback (most recent call last):
  File "/memdisk/autobuild/fl/b384944/samba/source4/dsdb/tests/python/rodc_rwdc.py", line 325, in test_login_lockout_ntlm
    self._test_login_lockout_rodc_rwdc(self.lockout1ntlm_creds, userdn)
  File "/memdisk/autobuild/fl/b384944/samba/source4/dsdb/tests/python/rodc_rwdc.py", line 565, in _test_login_lockout_rodc_rwdc
    msDSUserAccountControlComputed=dsdb.UF_LOCKOUT)
  File "/memdisk/autobuild/fl/b384944/samba/source4/dsdb/tests/python/rodc_rwdc.py", line 149, in _check_account
    True)
  File "/memdisk/autobuild/fl/b384944/samba/source4/dsdb/tests/python/password_lockout_base.py", line 194, in _check_account
    self.assertEquals(res[0], res2[0])
AssertionError: Message({'dn': Dn('CN=lockout1ntlm,CN=Users,DC=samba,DC=example,DC=com'), 'badPwdCount': MessageElement(['3']), 'logonCount': MessageElement(['0']), 'userAccountControl': MessageElement(['512']), 'lastLogon': MessageElement(['131849440877482860']), 'lastLogonTimestamp': MessageElement(['131849440877482860']), 'objectSid': MessageElement(['\x01\x05\x00\x00\x00\x00\x00\x05\x15\x00\x00\x00R\r\x93l+\x12\xa8v\xe3`i\xb6\x9b\x15\x00\x00']), 'msDS-User-Account-Control-Computed': MessageElement(['16']), 'lockoutTime': MessageElement(['131849441333633120']), 'badPasswordTime': MessageElement(['131849441333633120'])}) != Message({'dn': Dn('CN=lockout1ntlm,CN=Users,DC=samba,DC=example,DC=com'), 'badPwdCount': MessageElement(['3']), 'logonCount': MessageElement(['0']), 'userAccountControl': MessageElement(['512']), 'lastLogon': MessageElement(['131849440877482860']), 'lastLogonTimestamp': MessageElement(['131849440877482860']), 'objectSid': MessageElement(['\x01\x05\x00\x00\x00\x00\x00\x05\x15\x00\x00\x00R\r\x93l+\x12\xa8v\xe3`i\xb6\x9b\x15\x00\x00']), 'msDS-User-Account-Control-Computed': MessageElement(['0']), 'lockoutTime': MessageElement(['131849441333633120']), 'badPasswordTime': MessageElement(['131849441333633120'])})

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.vlv.python(ad_dc_ntvfs)(ad_dc_ntvfs) -> 1414
samba4.ldap.dirsync.python(ad_dc_ntvfs)(ad_dc_ntvfs) -> 381
samba.tests.emulate.traffic_packet(ad_dc_ntvfs) -> 329
samba4.rpc.samr.passwords.lockout on ncacn_np with (ad_dc_ntvfs) -> 227
samba4.rpc.samr.passwords.pwdlastset on ncacn_np with (ad_dc_ntvfs) -> 201
samba.tests.samba_tool.user(ad_dc_ntvfs:local) -> 194
samba3.smbtorture_s3.vfs_aio_fork(simpleserver).RW2(simpleserver) -> 148
samba4.ldb.ldaps with options -U"$USERNAME%$PASSWORD"(ad_dc_ntvfs)(ad_dc_ntvfs) -> 133
samba.tests.samba_tool.user_wdigest(ad_dc_ntvfs:local) -> 130
samba4.ldap.match_rules.python(ad_dc_ntvfs) -> 112
ERROR: test failed with exit code 1