Comment 5 for bug 1476296

For my systems (in the SCM) I've performed the following as a workaround:

1 stop nginx (to get it out of upstart control): # initctl stop nginx
2 remove nginx upstart config /etc/init/nginx: # rm /etc/init/nginx
3 start nginx (via RC script): # service nginx start
4 configure nginx to run at startup: # update-rc.d nginx defaults