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-144/2018-04-23-1216/flakey.log

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

   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-04-23-1216/ctdb.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-144/2018-04-23-1216/ctdb.stdout
  
The top commit at the time of the failure was:

commit 57d9969f5cd681cd02017c0b41fcbb12fe10fb08
Author: Björn Baumbach <bb at sernet.de>
Date:   Fri Apr 20 13:04:41 2018 +0200

    build: fix build without JSON audit support
    
    Autobuild-User(master): Björn Baumbach <bbaumbach at samba.org>
    Autobuild-Date(master): Fri Apr 20 21:12:33 CEST 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

01.test              TIMEDOUT   DATETIME
  OUTPUT: Sleeping for 99 seconds

FAILED
ctdb-eventd[1861959]: Received signal 15
ctdb-eventd[1861959]: Shutting down
==========================================================================
TEST FAILED: tests/eventd/eventd_022.sh (status 1) (duration: 11s)
==========================================================================

 PASSED  tests/cunit/comm_test_001.sh
 PASSED  tests/cunit/comm_test_002.sh
 PASSED  tests/cunit/db_hash_test_001.sh
 PASSED  tests/cunit/hash_count_test_001.sh
 PASSED  tests/cunit/pidfile_test_001.sh
 PASSED  tests/cunit/pkt_read_001.sh
 PASSED  tests/cunit/pkt_write_001.sh
 PASSED  tests/cunit/porting_tests_001.sh
 PASSED  tests/cunit/protocol_test_001.sh
 PASSED  tests/cunit/protocol_test_002.sh
 PASSED  tests/cunit/protocol_test_012.sh
 PASSED  tests/cunit/protocol_test_101.sh
 PASSED  tests/cunit/protocol_test_102.sh
 PASSED  tests/cunit/protocol_test_111.sh
 PASSED  tests/cunit/protocol_test_201.sh
 PASSED  tests/cunit/rb_test_001.sh
 PASSED  tests/cunit/reqid_test_001.sh
 PASSED  tests/cunit/run_event_001.sh
 PASSED  tests/cunit/run_proc_001.sh
 PASSED  tests/cunit/sock_daemon_test_001.sh
 PASSED  tests/cunit/sock_io_test_001.sh
 PASSED  tests/cunit/srvid_test_001.sh
 PASSED  tests/eventd/eventd_001.sh
 PASSED  tests/eventd/eventd_002.sh
 PASSED  tests/eventd/eventd_003.sh
 PASSED  tests/eventd/eventd_004.sh
 PASSED  tests/eventd/eventd_005.sh
 PASSED  tests/eventd/eventd_006.sh
 PASSED  tests/eventd/eventd_007.sh
 PASSED  tests/eventd/eventd_011.sh
 PASSED  tests/eventd/eventd_012.sh
 PASSED  tests/eventd/eventd_013.sh
 PASSED  tests/eventd/eventd_014.sh
 PASSED  tests/eventd/eventd_021.sh
*FAILED* tests/eventd/eventd_022.sh

34/35 tests passed

Removing TEST_VAR_DIR=/memdisk/autobuild/fl/b1548162/ctdb/ctdb/tests/var
autotest exited with exit status 1