[luxembourg] granduc - Fix #9178 for luxembourg

...0/sites/luxembourg/clusters/granduc/nodes/granduc-10.json

...0/sites/luxembourg/clusters/granduc/nodes/granduc-11.json

...0/sites/luxembourg/clusters/granduc/nodes/granduc-13.json

...0/sites/luxembourg/clusters/granduc/nodes/granduc-19.json

...00/sites/luxembourg/clusters/granduc/nodes/granduc-7.json

grid5000-all.json

...t/grid5000/sites/luxembourg/clusters/granduc/granduc.yaml

...0/sites/luxembourg/clusters/granduc/nodes/granduc-10.yaml

...0/sites/luxembourg/clusters/granduc/nodes/granduc-11.yaml

...0/sites/luxembourg/clusters/granduc/nodes/granduc-13.yaml

...0/sites/luxembourg/clusters/granduc/nodes/granduc-19.yaml

...00/sites/luxembourg/clusters/granduc/nodes/granduc-7.yaml