It's baffling. If you move the dongle to another USB port things work again. But!, the dongle can never go back to that same port. So after 4 sleeps we run out

It's baffling. If you move the dongle to another USB port things work again. But!, the dongle can never go back to that same port. So after 4 sleeps we run out of ports and have to hard shutdown with the power button.