To not see Interactive Markers from other hosts

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Let's say multiple users share a single robot while they open RViz on their computers to interact with a single robot, particularly by Interactive Markers. This is easily done, but a problem is that everybody who connects to the robot sees on their RViz multiple Interactive Markers that are run by other people, making the view on RViz simply confusing with possibly many Markers, and also making the operations on RViz harder (e.g. seeing which Markers are yours, finding particular tf frames).

Is there any way where each person ONLY sees the Interactive Markers of their own in this situation? Or alternatively, users can share a single set of Interactive Markers if that is easier.

Using Hydro onward.