ID 221753 - Camerashake blur renders differently on different machines

Problem summary
Blur renders differently on different machines.

Customer reported version
nuke.9.0v8

Customer reported platform
windows7

Steps to reproduce

1) Open the attached script on one machine, re-linking the read node to the attached exr file.

2) Render out frames 1020-1050

3) Open the attached script on another machine, re-linking the read node to the attached exr file.

4) Render out frames 1020-1050 

5) Read both sets of frames into the Nuke script, and attached the Read nodes into the Merge node, from frames 1024-1048 you will see a difference, an example is in the screen shot below.

Reproduced by support
The problem has been reproduced on:

Nuke 10.0v3 - Windows 10 - CentOS 6.7 

Nuke 10.0v1 - Windows 10 - CentOS 6.7 

Nuke 9.0v6 - Windows 10 - CentOS 6.7 

Nuke 9.0v1 - Windows 10 - CentOS 6.7 

Nuke 8.0v6 - Windows 10 - CentOS 6.7 

Expected behaviour

For the results to be the same

Actual behaviour
They were different