ID 471898 - Scripts with R3D/RED Read nodes fail to load R3D Reader on some machines, some of the time

Problem summary
Scripts with R3D/RED Read nodes fail to load R3D Reader on some machines, some of the time

Customer reported version
nuke.12.2v5

Customer reported platform
centos7

Steps to reproduce

1) Render the attached Nuke script in the terminal using the command: 

Nuke -V 2 -x <path/to/Nuke/script>.nk

Alternative steps:

1) Open Nuke in terminal mode using the command:

Nuke --safe -t

2) Open the attached Nuke script using the command:

nuke.scriptOpen('/path/to/r3d_thread_bug_3.nk')

Expected behaviour
For the Nuke script to always render or open

Actual behaviour
Nuke sometimes errors says no such knob for each knob of the R3D Read node:

Warning: Read1.r3dSDK: no such knob
Read1.14: no such knob
Read1.r3dInit: no such knob
Read1.2: no such knob
Read1.r3dImagePipeline: no such knob
Read1.IPP2 Custom: no such knob
etc

Workaround
Unknown.

Reproduced 
This has been logged on the advice of a developer