"An SMX connection attempt failed" returned in online.log while running ifxclone

Symptom

In the online.log, you may see messages similar to the following

11:34:23 Physical Restore of datadbs Completed.
11:34:23 Checkpoint Completed: duration was 0 seconds.
11:34:23 Tue Jun 19 - loguniq 4737393, logpos 0x514564c, timestamp: 0xbd0c949b Interval: 141153

11:34:23 Maximum server connections 0
11:34:33 An SMX connection attempt failed.
11:34:33 Physical restore failed for dbspace number 5.
11:34:33
11:34:36 Physical Restore of datadbs2 ABORTED.
11:34:36 Aborted by client.
11:34:36 Physical restore failed for dbspace number 4.
11:34:36 stack trace for pid 57148614 written to /opt/informix/dump/af.49e34ab
11:34:37 Checkpoint Completed: duration was 0 seconds.
11:34:37 Tue Jun 19 - loguniq 4737393, logpos 0x514564c, timestamp: 0xbd0c94ff Interval: 141154

11:34:37 Maximum server connections 0
11:34:37 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0, Plog used 0, Llog used 0

11:34:38 Assert Failed: No Exception Handler
11:34:38 IBM Informix Dynamic Server Version 11.70.FC8
11:34:38 Assert Failed: No Exception Handler
11:34:38 IBM Informix Dynamic Server Version 11.70.FC8
11:34:38 Who: Session(8660, informix@, 0, 70000157937ed20)
Thread(182, SC_ontape_restore, 70000157935d058, 1)
File: mtex.c Line: 490
11:34:38 Results: Exception Caught. Type: MT_EX_OS, Context: mem
11:34:38 Action: Please notify IBM Informix Technical Support.
11:34:38 See Also: /opt/informix/dump/af.49e34ab, shmem.49e34ab.o
11:34:39 Physical Restore of datasdbs4 Completed.
11:34:39 Checkpoint Completed: duration was 0 seconds.
11:34:39 Tue Jun 19 - loguniq 4737393, logpos 0x514564c, timestamp: 0xbd0c950b Interval: 141154

11:34:39 Maximum server connections 0
11:35:07 Checkpoint Completed: duration was 0 seconds.
11:35:07 Tue Jun 19 - loguniq 4737393, logpos 0x514564c, timestamp: 0xbd0c956c Interval: 141155

11:35:07 Maximum server connections 0
11:35:07 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0, Plog used 0, Llog used 0

11:35:09 Physical Restore of datadbs6 Completed.
11:35:09 Checkpoint Completed: duration was 0 seconds.
11:35:09 Tue Jun 19 - loguniq 4737393, logpos 0x514564c, timestamp: 0xbd0c9578 Interval: 141155

11:35:09 Maximum server connections 0
11:45:27 mtex.c, line 490, thread 182, proc id 57148614, No Exception Handler.
11:45:28 The Master Daemon Died
11:45:28 The Master Daemon Died
11:45:28 The Master Daemon Died
11:45:28 Fatal error in ADM VP at mt.c:14055
11:45:28 Unexpected virtual processor termination, pid = 329368, exit = 0x100

11:45:28 PANIC: Attempting to bring system down