Till you get your setup up and running alway use --debug option to get more info

keystone --debug user-list This will dump what account is used for authentication. If that account seems fine then you can check keystone log

Also start keystone with debug = True. This you need to add in /etc/keystone/keystone.conf ( or appropriate location of your keystone.conf)

Update : 6/24 The error is, you don't have admin_url in your service catalog. Check your service catalog. You need to have admin_url for identity service