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-184/2019-06-13-0343/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-184/2019-06-13-0343/samba-nt4.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-06-13-0343/samba-nt4.stdout
  
The top commit at the time of the failure was:

commit bf6620c5f33175d06b90f41513a317b54e4f8ec6
Author: Christof Schmitt <cs at samba.org>
Date:   Mon Jun 3 11:51:14 2019 -0700

    torture: Use two connections in SMB2 sharemode tests
    
    This allows using the unclist option to specify multiple targets, e.g.
    for testing against multiple nodes in a clustered Samba environment.
    
    Signed-off-by: Christof Schmitt <cs at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Wed Jun 12 20:02:26 UTC 2019 on sn-devel-184

and the last 50 lines of the stdout log were:

[158(860)/591 at 9m32s] samba3.base.rw1(nt4_dc)
[159(861)/591 at 9m33s] samba3.base.rw1(nt4_dc)
[160(862)/591 at 9m33s] samba3.base.rw1(nt4_dc)
[161(863)/591 at 9m34s] samba3.base.secleak(nt4_dc)
[162(864)/591 at 9m35s] samba3.base.tcon(nt4_dc)
[163(865)/591 at 9m35s] samba3.base.tcondev(nt4_dc)
[164(866)/591 at 9m35s] samba3.base.trans2(nt4_dc)
[165(867)/591 at 9m39s] samba3.base.unlink(nt4_dc)
[166(868)/591 at 9m39s] samba3.base.vuid(nt4_dc)
[167(869)/591 at 9m39s] samba3.base.xcopy(nt4_dc)
[168(870)/591 at 9m40s] samba3.base.samba3error(nt4_dc)
[169(871)/591 at 9m40s] samba3.raw.acls(nt4_dc)
[170(883)/591 at 9m44s] samba3.raw.acls nfs4acl_xattr-simple-40(nt4_dc)
[171(895)/591 at 9m47s] samba3.raw.acls nfs4acl_xattr-special-40(nt4_dc)
[172(907)/591 at 9m50s] samba3.raw.acls nfs4acl_xattr-simple-41(nt4_dc)
[173(919)/591 at 9m52s] samba3.raw.acls nfs4acl_xattr-xdr-40(nt4_dc)
[174(931)/591 at 9m55s] samba3.raw.acls nfs4acl_xattr-xdr-41(nt4_dc)
[175(943)/591 at 9m57s] samba3.raw.acls nfs4acl_xattr-nfs-40(nt4_dc)
[176(955)/591 at 10m0s] samba3.raw.acls nfs4acl_xattr-nfs-41(nt4_dc)
[177(967)/591 at 10m2s] samba3.raw.chkpath(nt4_dc)
[178(968)/591 at 10m3s] samba3.raw.close(nt4_dc)
[179(969)/591 at 10m3s] samba3.raw.composite(nt4_dc)
[180(973)/591 at 10m5s] samba3.raw.eas(nt4_dc)
[181(974)/591 at 10m6s] samba3.raw.lock(nt4_dc)
[182(987)/591 at 10m39s] samba3.raw.mkdir(nt4_dc)
[183(988)/591 at 10m39s] samba3.raw.mux(nt4_dc)
[184(989)/591 at 10m42s] samba3.raw.notify(nt4_dc)
TESTING CHANGE NOTIFY COMPLETION FILTERS
Testing mkdir
Testing create file
UNEXPECTED(failure): samba3.raw.notify.mask(nt4_dc)
REASON: Exception: Exception: ../../source4/torture/raw/notify.c:846: notify.nttrans.out.changes[0].action was 2 (0x2), expected 1 (0x1): nchanges=1 action=2 expectedAction=1 filter=0x00000002

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) -> 69
samba3.base.dir2(nt4_dc) -> 53
samba3.blackbox.net.local.conf(nt4_dc:local) -> 41
samba3.raw.lock(nt4_dc) -> 33
samba3.smbtorture_s3.crypt_client.OPLOCK1(nt4_dc) -> 31
samba3.base.lock(nt4_dc) -> 20
samba3.base.defer_open(nt4_dc) -> 17
samba3.blackbox.smbclient_s3.NT1.crypt (nt4_dc)(nt4_dc) -> 14
samba3.blackbox.smbclient_s3.SMB3.crypt (nt4_dc)(nt4_dc) -> 13
samba3.blackbox.smbclient_s3.SMB3.plain (nt4_dc)(nt4_dc) -> 13
ERROR: test failed with exit code 1
Makefile:16: recipe for target 'test' failed