horizon logs "Login success" but doesn't redirect to project
Openstack Mitaka on Ubuntu.
[Mon May 09 05:55:45.735820 2016] [:error] [pid 2750:tid 139661312501504] Login successful for user "admin".
[Mon May 09 05:56:00.448046 2016] [:error] [pid 2749:tid 139661236901632] Login successful for user "admin".
[Mon May 09 05:59:41.472894 2016] [:error] [pid 2750:tid 139661236901632] Login successful for user "admin".
[Mon May 09 05:59:52.045091 2016] [:error] [pid 2748:tid 139661245302528] Login successful for user "admin".
[Mon May 09 06:02:00.130820 2016] [:error] [pid 2749:tid 139661236901632] Login successful for user "shimonz".