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-184/2019-04-06-2148/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-184/2019-04-06-2148/ctdb.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-04-06-2148/ctdb.stdout
  
The top commit at the time of the failure was:

commit 43cacaad5715d481327064b0602c93f93954561d
Author: Volker Lendecke <vl at samba.org>
Date:   Thu Apr 4 16:33:22 2019 +0200

    ctdb: Fix a typo
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Martin Schwenke <martin at meltin.net>
    
    Autobuild-User(master): Martin Schwenke <martins at samba.org>
    Autobuild-Date(master): Sat Apr  6 11:51:55 UTC 2019 on sn-devel-144

and the last 50 lines of the stdout log were:

 PASSED  tests/tool/ctdb.stop.002.sh
 PASSED  tests/tool/ctdb.stop.003.sh
 PASSED  tests/tool/ctdb.unban.001.sh
 PASSED  tests/tool/ctdb.unban.002.sh
 PASSED  tests/tool/ctdb.unban.003.sh
 PASSED  tests/tool/ctdb.uptime.001.sh
 PASSED  tests/tool/ctdb.writekey.001.sh
 PASSED  tests/simple/00_ctdb_onnode.sh
 PASSED  tests/simple/01_ctdb_reclock_command.sh
 PASSED  tests/simple/02_ctdb_tunables.sh
 PASSED  tests/simple/05_ctdb_listnodes.sh
 PASSED  tests/simple/06_ctdb_getpid.sh
 PASSED  tests/simple/07_ctdb_process_exists.sh
 PASSED  tests/simple/08_ctdb_isnotrecmaster.sh
 PASSED  tests/simple/09_ctdb_ping.sh
 PASSED  tests/simple/11_ctdb_ip.sh
 PASSED  tests/simple/12_ctdb_getdebug.sh
 PASSED  tests/simple/13_ctdb_setdebug.sh
 PASSED  tests/simple/14_ctdb_statistics.sh
 PASSED  tests/simple/15_ctdb_statisticsreset.sh
 PASSED  tests/simple/16_ctdb_config_add_ip.sh
 PASSED  tests/simple/17_ctdb_config_delete_ip.sh
 PASSED  tests/simple/18_ctdb_reloadips.sh
 PASSED  tests/simple/19_ip_takeover_noop.sh
 PASSED  tests/simple/20_delip_iface_gc.sh
 PASSED  tests/simple/21_ctdb_attach.sh
 PASSED  tests/simple/23_ctdb_moveip.sh
 PASSED  tests/simple/24_ctdb_getdbmap.sh
 PASSED  tests/simple/25_dumpmemory.sh
 PASSED  tests/simple/26_ctdb_config_check_error_on_unreachable_ctdb.sh
 PASSED  tests/simple/27_ctdb_detach.sh
 PASSED  tests/simple/28_zero_eventscripts.sh
 PASSED  tests/simple/32_ctdb_disable_enable.sh
 PASSED  tests/simple/35_ctdb_getreclock.sh
 PASSED  tests/simple/42_ctdb_stop_continue.sh
 PASSED  tests/simple/43_stop_recmaster_yield.sh
 PASSED  tests/simple/51_message_ring.sh
 PASSED  tests/simple/52_fetch_ring.sh
 PASSED  tests/simple/53_transaction_loop.sh
 PASSED  tests/simple/54_transaction_loop_recovery.sh
 PASSED  tests/simple/55_ctdb_ptrans.sh
 PASSED  tests/simple/56_replicated_transaction_recovery.sh
 PASSED  tests/simple/58_ctdb_restoredb.sh
*FAILED* tests/simple/60_recoverd_missing_ip.sh

517/518 tests passed

Removing TEST_VAR_DIR=tests/var
autotest exited with exit status 1
Makefile:22: recipe for target 'autotest' failed