[debugging module] lab guide errors do not appear

[thoraxe]

lab guide says:

$ oc logs dc/gateway | grep -i error

...
WARNING: Inventory error for 444436: status code 204
SEVERE: Inventory error for 444436: null
...

What actually comes up:

SEVERE: Inventory error for 329299: operation timeout                                                                                                                                                         
SEVERE: Inventory error for 329199: operation timeout                                                                                                                                                         
SEVERE: Inventory error for 165613: operation timeout                                                                                                                                                         
SEVERE: Inventory error for 165614: operation timeout                                                                                                                                                         
SEVERE: Inventory error for 165954: operation timeout                                                                                                                                                         
SEVERE: Inventory error for 444434: operation timeout                                                                                                                                                         
SEVERE: Inventory error for 444435: operation timeout                                                                                                                                                         
SEVERE: Inventory error for 444436: operation timeout                                                                                                                                                         
SEVERE: Inventory error for 329199: open circuit                                                                                                                                                              
SEVERE: Inventory error for 165613: open circuit                                                                                                                                                              
SEVERE: Inventory error for 165614: open circuit                                                                                                                                                              
SEVERE: Inventory error for 165954: open circuit                                                                                                                                                              
SEVERE: Inventory error for 444434: open circuit                                                                                                                                                              
SEVERE: Inventory error for 444435: open circuit                                                                                                                                                              
SEVERE: Inventory error for 444436: open circuit                                                                                                                                                              
SEVERE: Inventory error for 329299: operation timeout

Along with the java exec itself.

[thoraxe]

Grepping for "null" doesn't return the expected result, either.

Is it possible this module was written before the circuitbreaker one, or was written without the circuitbreaker being present?