tell us if you are really not running any more

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
(cherry picked from commit ec342d814676d08eb833f478ac7ffdb21cc99c06)
add another call to use "ps aux"

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
(cherry picked from commit 4686115c4830939ea6c9d7a27fd89d7cec9d4d5d)