Sometimes desktop power management gets in the middle

Even if it shuts down internally without Ravada being aware of it.

547 remote

The hibernated node gets down, started keeps up

547 remote

A domain status should not be affected by a clone
of itself down in another node.

Also when a domain is up in two nodes it should be
shut down in both nodes immediately

I hope this makes zombie rvd_back disappear

Do this instead shutdown, it is faster to set it up

Thanks to @alexm for this hint. It took a year
but we did it !