Error when removing nodes from bridge domain

If we have created a bridge domain and then assigned some nodes to this Bridge domain a VXLAN tunnel is created (like in tutorial: https://wiki.fd.io/view/Honeycomb/VBD_API).

But after removing these nodes from BD everything in operational DS is still configured as if these nodes are still present.

Nodes were deleted using: DELETE http://localhost:8181/restconf/config/network-topology:network-topology/network-topology:topology/testBD/node/dut1 (dut2)

Nodes were successfully deleted from config DS, but there has been no change in operational DS.

config DS before removing all nodes from BD:
http://pastebin.com/Uv1FxiUz

config DS after removing all nodes from BD:
http://pastebin.com/711r1Z3D

operational DS before/after removing nodes:
http://pastebin.com/4bF3UM2S