To be consistent with the behavior when checking device(s) in the device list; multiple actions should also be available when viewing a single device's details. (It doesn't make sense for the user to have to close the details view, check the device, and then perform an action on it). Selecting an action from the list applies that action to the single, currently viewed device.
See designs in https://invis.io/FC12JJBHZAYX
To be consistent with the behavior when checking device(s) in the device list; multiple actions should also be available when viewing a single device's details. (It doesn't make sense for the user to have to close the details view, check the device, and then perform an action on it). Selecting an action from the list applies that action to the single, currently viewed device.