autobuild[sn-devel-184]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-184) 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-184/2019-04-11-2219/flakey.log

The failure seems to be in the "samba-nt4" suite, whose build logs are available here:

   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-04-11-2219/samba-nt4.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-04-11-2219/samba-nt4.stdout
  
The top commit at the time of the failure was:

commit 74091115f7564976c8fc7530fc2cb76c6bac9ce1
Author: Garming Sam <garming at catalyst.net.nz>
Date:   Tue Apr 9 13:22:01 2019 +1200

    tests/ldb_kv: Add another case for completeness
    
    Signed-off-by: Garming Sam <garming at catalyst.net.nz>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Thu Apr 11 05:25:02 UTC 2019 on sn-devel-144

and the last 50 lines of the stdout log were:

[162(862)/588 at 16m56s] samba3.base.tcon(nt4_dc)
[163(863)/588 at 16m56s] samba3.base.tcondev(nt4_dc)
[164(864)/588 at 16m56s] samba3.base.trans2(nt4_dc)
[165(865)/588 at 17m0s] samba3.base.unlink(nt4_dc)
[166(866)/588 at 17m1s] samba3.base.vuid(nt4_dc)
[167(867)/588 at 17m1s] samba3.base.xcopy(nt4_dc)
[168(868)/588 at 17m1s] samba3.base.samba3error(nt4_dc)
[169(869)/588 at 17m2s] samba3.raw.acls(nt4_dc)
[170(881)/588 at 17m6s] samba3.raw.acls nfs4acl_xattr-simple-40(nt4_dc)
[171(893)/588 at 17m9s] samba3.raw.acls nfs4acl_xattr-special-40(nt4_dc)
[172(905)/588 at 17m12s] samba3.raw.acls nfs4acl_xattr-simple-41(nt4_dc)
[173(917)/588 at 17m15s] samba3.raw.acls nfs4acl_xattr-xdr-40(nt4_dc)
[174(929)/588 at 17m17s] samba3.raw.acls nfs4acl_xattr-xdr-41(nt4_dc)
[175(941)/588 at 17m20s] samba3.raw.acls nfs4acl_xattr-nfs-40(nt4_dc)
[176(953)/588 at 17m23s] samba3.raw.acls nfs4acl_xattr-nfs-41(nt4_dc)
[177(965)/588 at 17m25s] samba3.raw.chkpath(nt4_dc)
[178(966)/588 at 17m26s] samba3.raw.close(nt4_dc)
[179(967)/588 at 17m27s] samba3.raw.composite(nt4_dc)
[180(971)/588 at 17m29s] samba3.raw.eas(nt4_dc)
[181(972)/588 at 17m30s] samba3.raw.lock(nt4_dc)
[182(985)/588 at 18m5s] samba3.raw.mkdir(nt4_dc)
[183(986)/588 at 18m5s] samba3.raw.mux(nt4_dc)
[184(987)/588 at 18m8s] samba3.raw.notify(nt4_dc)
TESTING CHANGE NOTIFY ON DIRECTORIES
Testing notify cancel
Testing notify mkdir
Testing notify rmdir
Testing notify mkdir - rmdir - mkdir - rmdir
Testing buffered notify on create of 10 files
Testing notify on unlink for the first file
UNEXPECTED(failure): samba3.raw.notify.dir(nt4_dc)
REASON: Exception: Exception: ../../source4/torture/raw/notify.c:223: notify.nttrans.out.num_changes was 8 (0x8), expected 10 (0xA): wrong number of changes

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
samba3.blackbox.net.rpc.conf(nt4_dc) -> 139
samba3.blackbox.net.local.conf(nt4_dc:local) -> 91
samba3.raw.lock(nt4_dc) -> 34
samba3.base.dir2(nt4_dc) -> 33
samba3.blackbox.smbclient_s3.SMB3.sign (nt4_dc)(nt4_dc) -> 32
samba3.blackbox.smbclient_s3.SMB3.sign (nt4_member) member creds(nt4_member) -> 32
samba3.smbtorture_s3.crypt_client.OPLOCK1(nt4_dc) -> 31
samba3.blackbox.smbclient_s3.NT1.crypt (nt4_dc)(nt4_dc) -> 30
samba3.blackbox.smbclient_s3.NT1.plain (nt4_member) member creds(nt4_member) -> 30
samba3.blackbox.smbclient_s3.SMB3.plain (nt4_member) member creds(nt4_member) -> 28
ERROR: test failed with exit code 1
Makefile:16: recipe for target 'test' failed