ID 317524 - LensDistortion [L] removes MotionBlur from upstream transform node

Problem summary
LensDistortion [L] removes MotionBlur from upstream transform node.

Customer reported version
nuke.11.0v2

Customer reported platform
windows10

Steps to reproduce
1) Open Nuke.
2) Open the attached script.
3) View Transform1
4) View LensDistortion1
Result: The motionblur added by Transform1 is removed.
Note: This is LensDistortion [L], not LensDistortion2

Workaround
Add a grade node between the transform and the LensDistortion node.

Reproduced by support
This bug has been reproduced in:
Nuke 11.0v2 - Windows 10, OSX 10.13, Centos 7
Nuke 11.0v1 - Windows 10, OSX 10.13, Centos 7
Nuke 10.5v6 - Windows 10, OSX 10.13, Centos 7
Nuke 10.5v1 - Windows 10, OSX 10.13, Centos 7
Nuke 10.0v6 - Windows 10, OSX 10.13, Centos 7
Nuke 10.0v1 - Windows 10, OSX 10.13, Centos 7
Nuke 9.0v9 - Windows 10, OSX 10.13
Nuke 9.0v1 - Windows 10, OSX 10.13
Nuke 8.0v7 - Windows 10, OSX 10.13
Nuke 8.0v1 - Windows 10, OSX 10.13
Nuke 7.0v10 - Windows 10, OSX 10.13, Centos 6.9

Earliest version tested
Nuke 7.0v10 - Windows 10, OSX 10.13 Centos 6.9 - The issue appears to be in all versions of the product

Expected behaviour
Clip should retain motion blur

Actual behaviour
Motion Blur is deleted/removed