oort/cmdctrl.go
func (o *Server) shutdownFinished() {
	time.Sleep(10 * time.Millisecond)
	close(o.ShutdownComplete)
}
func (o *Server) shutdownFinished() {
	time.Sleep(10 * time.Millisecond)
	close(o.ShutdownComplete)
}
// shutdownFinished closes the shutdownComplete channel
// 10 miliseconds after being invoked (to give a cmd ctrl client
// a chance to return.