def pause_instance(self, ctxt, instance):
        self.msg_runner.pause_instance(ctxt, instance)
Find the first layout node of the given kind.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/cells/manager.py/CellsManager.pause_instance--crossover with--dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/layout/dock_layout.py/LayoutNode.find