-Create 2 different nodes with the same IP
-Assign both of these nodes to different categories say 'Production' on the first and 'Development' on the second
-Assign the same passive service to both of these nodes
-Create 2 new categories in etc/categories.xml, one filtering for 'Production' and the second for 'Development'
-Reference the 2 categories we just created in etc/surveillance-views.xml
-The 2 nodes will show up in both categories we the surveillance views.
It appears that the nodes in these views are filtered by IP address and not by ID.
This causes problems in the scenario described above, where multiple nodes are assigned the same IP address.