Why IPA counts one fail login attempt as twice?

Issue

• IPA counts one failed login attempt as twice.

[root@srever ~]# ssh poudep@example.com
poudep@example.com's password:                                 <--- Wrong password entered
Permission denied, please try again.
poudep@example.com's password:                                  <--- Ctrl+c

[root@ncc19244 ~]# ipa user-status poudep
-----------------------
Account disabled: False
-----------------------
  Server: testserver1.example.com
  Failed logins: 2                                                                      <--- Expecting '1' failed logins
  Last successful authentication: 20160906194141Z
  Last failed authentication: 20160906195600Z
  Time now: 2016-09-06T19:56:20Z

  Server: testserver2.example.com
  Failed logins: 0
  Last successful authentication: 20160829161848Z
  Last failed authentication: 20160829161843Z
  Time now: 2016-09-06T19:56:21Z
----------------------------
Number of entries returned 2
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