salt supervisord error

root@xubuntu:/srv/salt# cat top.sls
base:
  '*':
    - test


root@xubuntu:/srv/salt# cat test.sls
/etc/supervisor/conf.d/test.conf:
  file.managed:
    - source: salt://test.conf
    - user: root
    - group: root

test:
  supervisord.running:
    - require:
      - file: /etc/supervisor/conf.d/test.conf


root@xubuntu:/srv/salt# cat test.conf
[program:test]
command=/bin/cat


root@xubuntu:/srv/salt# salt xubuntu state.highstate
xubuntu:
----------
    State: - file
    Name:      /etc/supervisor/conf.d/test.conf
    Function:  managed
        Result:    True
        Comment:   File /etc/supervisor/conf.d/test.conf updated
        Changes:   diff: New file

----------
    State: - supervisord
    Name:      test
    Function:  running
        Result:    False
        Comment:   test: ERROR (already started)
        Changes:

Summary
------------
Succeeded: 1
Failed:    1
------------
Total:     2



Rerunning
root@xubuntu:/srv/salt# salt xubuntu state.highstate
xubuntu:
----------
    State: - file
    Name:      /etc/supervisor/conf.d/test.conf
    Function:  managed
        Result:    True
        Comment:   File /etc/supervisor/conf.d/test.conf is in the correct state
        Changes:
----------
    State: - supervisord
    Name:      test
    Function:  running
        Result:    True
        Comment:   Not starting already running service: test
        Changes:   test: Updating supervisor


Summary
------------
Succeeded: 2
Failed:    0
------------
Total:     2