root@ip-10-123-0-209:~# gdb mongorestore --args mongorestore --username mongo --password XXXX dump/
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
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Reading symbols from mongorestore...(no debugging symbols found)...done.
(gdb) r
Starting program: /usr/bin/mongorestore --username mongo --password projectpol dump/
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19-gdb.py", line 63, in <module>
    from libstdcxx.v6.printers import register_libstdcxx_printers
ImportError: No module named 'libstdcxx'
[New Thread 0x7ffff6dce700 (LWP 3560)]
connected to: 127.0.0.1
[Thread 0x7ffff6dce700 (LWP 3560) exited]
2015-06-23T01:15:44.201+0000 	going into namespace [admin.system.version]
Restoring to admin.system.version without dropping. Restored data will be inserted without raising errors; check your server log
1 objects found
2015-06-23T01:15:44.201+0000 	Creating index: { key: { _id: 1 }, name: "_id_", ns: "admin.system.version" }
Error creating index admin.system.version: 13 err: "not authorized to create index on admin.system.version"

Program received signal SIGABRT, Aborted.
0x00007ffff6e05cc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb)