Hi after installing dashboard I am not able to login using admin credentials. I am seeing a lot of errors.

/var/log/httpd/keystone-error.log

enter code here
2015-10-01 21:29:54.394533 mod_wsgi (pid=2318): Destroying interpreters.
2015-10-01 21:29:54.394542 mod_wsgi (pid=2318): Cleanup interpreter ''.
2015-10-01 21:29:54.400013 mod_wsgi (pid=2318): Terminating Python.
2015-10-01 21:29:54.403196 mod_wsgi (pid=2318): Python has shutdown.
2015-10-01 21:29:54.423025 mod_wsgi (pid=2316): Terminating Python.
2015-10-01 21:29:54.426321 mod_wsgi (pid=2316): Python has shutdown.
2015-10-01 21:29:54.541851 mod_wsgi (pid=2321): Python has shutdown.
2015-10-01 21:29:54.564592 mod_wsgi (pid=2324): Python has shutdown.
2015-10-01 21:29:54.599820 mod_wsgi (pid=2322): Python has shutdown.
2015-10-01 21:29:54.618265 mod_wsgi (pid=2325): Python has shutdown.

/var/log/httpd/error_log

    enter code here
    Fri Oct 02 00:58:49.439863 2015] [:error] [pid 2315] Login failed for user "admin".
   [Fri Oct 02 00:59:07.177866 2015] [:error] [pid 2315] Login failed for user "admin".
   [Fri Oct 02 01:00:55.443427 2015] [:error] [pid 2315] Login failed for user "admin".
   [Fri Oct 02 01:00:59.022675 2015] [:error] [pid 2315] Login failed for user "admin".
   [Fri Oct 02 01:01:03.111961 2015] [:error] [pid 2315] Login failed for user "admin".
   [Fri Oct 02 01:13:22.804837 2015] [:error] [pid 2315] Login failed for user "admin".
   [Fri Oct 02 01:16:48.151695 2015] [:error] [pid 2315] Login failed for user "demo".
   [Fri Oct 02 01:16:54.110045 2015] [:error] [pid 2315] Login failed for user "admin".
   [Fri Oct 02 01:21:53.382536 2015] [:error] [pid 2315] Login failed for user "admin".
   [Thu Oct 01 21:29:53.352760 2015] [mpm_prefork:notice] [pid 2313] AH00170: caught SIGWINCH, shutting    down             gracefully

At the same time I am not able to change admin password using keystone cli and also I am not able to restart apache... Did anyone face similar problem?