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-184/2019-03-21-0342/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-184/2019-03-21-0342/samba-nt4.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-03-21-0342/samba-nt4.stdout
  
The top commit at the time of the failure was:

commit 2a430625e77ecf81552f06b98b7bf91f5112a7df
Author: Volker Lendecke <vl at samba.org>
Date:   Mon Mar 18 11:03:32 2019 +0100

    libsmb: Make SMB1-only cli_nt_hardlink calls static
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Wed Mar 20 23:32:31 UTC 2019 on sn-devel-144

and the last 50 lines of the stdout log were:

[158(858)/588 at 8m47s] samba3.base.rw1(nt4_dc)
[159(859)/588 at 8m48s] samba3.base.rw1(nt4_dc)
[160(860)/588 at 8m48s] samba3.base.rw1(nt4_dc)
[161(861)/588 at 8m49s] samba3.base.secleak(nt4_dc)
[162(862)/588 at 8m49s] samba3.base.tcon(nt4_dc)
[163(863)/588 at 8m49s] samba3.base.tcondev(nt4_dc)
[164(864)/588 at 8m50s] samba3.base.trans2(nt4_dc)
[165(865)/588 at 8m53s] samba3.base.unlink(nt4_dc)
[166(866)/588 at 8m54s] samba3.base.vuid(nt4_dc)
[167(867)/588 at 8m54s] samba3.base.xcopy(nt4_dc)
[168(868)/588 at 8m54s] samba3.base.samba3error(nt4_dc)
[169(869)/588 at 8m54s] samba3.raw.acls(nt4_dc)
[170(881)/588 at 8m57s] samba3.raw.acls nfs4acl_xattr-simple-40(nt4_dc)
[171(893)/588 at 8m59s] samba3.raw.acls nfs4acl_xattr-special-40(nt4_dc)
[172(905)/588 at 9m2s] samba3.raw.acls nfs4acl_xattr-simple-41(nt4_dc)
[173(917)/588 at 9m3s] samba3.raw.acls nfs4acl_xattr-xdr-40(nt4_dc)
[174(929)/588 at 9m6s] samba3.raw.acls nfs4acl_xattr-xdr-41(nt4_dc)
[175(941)/588 at 9m7s] samba3.raw.acls nfs4acl_xattr-nfs-40(nt4_dc)
[176(953)/588 at 9m9s] samba3.raw.acls nfs4acl_xattr-nfs-41(nt4_dc)
[177(965)/588 at 9m11s] samba3.raw.chkpath(nt4_dc)
[178(966)/588 at 9m11s] samba3.raw.close(nt4_dc)
[179(967)/588 at 9m12s] samba3.raw.composite(nt4_dc)
[180(971)/588 at 9m13s] samba3.raw.eas(nt4_dc)
[181(972)/588 at 9m14s] samba3.raw.lock(nt4_dc)
[182(985)/588 at 9m47s] samba3.raw.mkdir(nt4_dc)
[183(986)/588 at 9m47s] samba3.raw.mux(nt4_dc)
[184(987)/588 at 9m50s] 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) -> 52
samba3.base.dir2(nt4_dc) -> 44
samba3.blackbox.net.local.conf(nt4_dc:local) -> 36
samba3.raw.lock(nt4_dc) -> 33
samba3.smbtorture_s3.crypt_client.OPLOCK1(nt4_dc) -> 31
samba3.base.lock(nt4_dc) -> 24
samba3.base.defer_open(nt4_dc) -> 17
samba3.smbtorture_s3.crypt_client.LOCK1(nt4_dc) -> 15
samba3.blackbox.smbclient_s3.NT1.crypt (nt4_dc)(nt4_dc) -> 13
samba3.blackbox.smbclient_s3.NT1.sign (nt4_member) member creds(nt4_member) -> 12
ERROR: test failed with exit code 1
Makefile:16: recipe for target 'test' failed