(gdb) bt
#0  0x00007fc123aac5f7 in raise () from /lib64/libc.so.6
#1  0x00007fc123aadce8 in abort () from /lib64/libc.so.6
#2  0x00007fc1254b6b3c in smb_panic_default (why=0x7fc125503c92
"internal error") at ../lib/util/fault.c:156
#3  smb_panic (why=why@entry=0x7fc125503c92 "internal error") at
../lib/util/fault.c:169
#4  0x00007fc1254b6cf6 in fault_report (sig=<optimized out>) at
../lib/util/fault.c:83
#5  sig_fault (sig=<optimized out>) at ../lib/util/fault.c:94
#6  <signal handler called>
#7  ctdb_request_control_reply (ctdb=0x7fc1279cd890,
c=0x4354444200000000, outdata=0x0, status=-12, errormsg=0x0) at
../ctdb/server/ctdb_control.c:746
#8  0x00007fc125b8f097 in ctdb_ipreallocated_callback
(ctdb=0x7fc1279cd890, status=-12, p=<optimized out>) at
../ctdb/server/ctdb_takeover.c:3422
#9  0x00007fc125b8cce7 in event_script_destructor
(state=state@entry=0x7fc127a05eb0) at ../ctdb/server/eventscript.c:649
#10 0x00007fc124a6eec0 in _talloc_free_internal (location=<optimized
out>, ptr=<optimized out>) at ../lib/talloc/talloc.c:1046
#11 _talloc_free (ptr=0x7fc127a05eb0, location=0x7fc125bdd5e8
"../ctdb/server/eventscript.c:828") at ../lib/talloc/talloc.c:1647
#12 0x00007fc125b8d9ff in ctdb_event_script_callback_v
(ctdb=0x7fc1279cd890, mem_ctx=<optimized out>, callback=0x7fc125b8f050
<ctdb_ipreallocated_callback>, private_data=0x7fc1279f5eb0,
    call=CTDB_EVENT_IPREALLOCATED, fmt=<optimized out>,
ap=ap@entry=0x7ffccbbe0f08) at ../ctdb/server/eventscript.c:828
#13 0x00007fc125b8e1ba in ctdb_event_script_callback
(ctdb=ctdb@entry=0x7fc1279cd890, mem_ctx=mem_ctx@entry=0x7fc1279f5eb0,
callback=callback@entry=0x7fc125b8f050 <ctdb_ipreallocated_callback>,
    private_data=private_data@entry=0x7fc1279f5eb0,
call=call@entry=CTDB_EVENT_IPREALLOCATED, fmt=fmt@entry=0x7fc125bd8b2d
"%s") at ../ctdb/server/eventscript.c:862
#14 0x00007fc125b97255 in ctdb_control_ipreallocated
(ctdb=ctdb@entry=0x7fc1279cd890, c=c@entry=0x7fc1279fef80,
async_reply=async_reply@entry=0x7ffccbbe1047) at
../ctdb/server/ctdb_takeover.c:3439
#15 0x00007fc125b8177d in ctdb_control_dispatch
(async_reply=0x7ffccbbe1047, errormsg=0x7ffccbbe1048,
srcnode=<optimized out>, outdata=0x7fc127a00370, indata=...,
c=0x7fc1279fef80, ctdb=0x7fc1279cd890)
    at ../ctdb/server/ctdb_control.c:367
#16 ctdb_request_control (ctdb=ctdb@entry=0x7fc1279cd890,
hdr=hdr@entry=0x7fc1279fef80) at ../ctdb/server/ctdb_control.c:793
#17 0x00007fc125b7e339 in ctdb_input_pkt (ctdb=0x7fc1279cd890,
hdr=0x7fc1279fef80) at ../ctdb/server/ctdb_server.c:279
#18 0x00007fc125b7e46f in queue_next_trigger (ev=<optimized out>,
te=<optimized out>, t=..., private_data=<optimized out>) at
../ctdb/server/ctdb_server.c:364
#19 0x00007fc124864a7f in tevent_common_loop_timer_delay
(ev=ev@entry=0x7fc1279e5090) at ../lib/tevent/tevent_timed.c:341
#20 0x00007fc124865a8a in epoll_event_loop_once (ev=0x7fc1279e5090,
location=<optimized out>) at ../lib/tevent/tevent_epoll.c:911
#21 0x00007fc124864187 in std_event_loop_once (ev=0x7fc1279e5090,
location=0x7fc125bbfb00 "../ctdb/server/ctdb_daemon.c:1379") at
../lib/tevent/tevent_standard.c:114
#22 0x00007fc12486033d in _tevent_loop_once
(ev=ev@entry=0x7fc1279e5090, location=location@entry=0x7fc125bbfb00
"../ctdb/server/ctdb_daemon.c:1379") at ../lib/tevent/tevent.c:533
#23 0x00007fc1248604db in tevent_common_loop_wait (ev=0x7fc1279e5090,
location=0x7fc125bbfb00 "../ctdb/server/ctdb_daemon.c:1379") at
../lib/tevent/tevent.c:637
#24 0x00007fc124864127 in std_event_loop_wait (ev=0x7fc1279e5090,
location=0x7fc125bbfb00 "../ctdb/server/ctdb_daemon.c:1379") at
../lib/tevent/tevent_standard.c:140
#25 0x00007fc125b6d21b in ctdb_start_daemon
(ctdb=ctdb@entry=0x7fc1279cd890, do_fork=<optimized out>) at
../ctdb/server/ctdb_daemon.c:1379
#26 0x00007fc125b671bc in main (argc=<optimized out>, argv=<optimized
out>) at ../ctdb/server/ctdbd.c:335