[grenoble] rework vlans IP allocation to match production network

assigned to @lnussbau

aborted the automatic merge because the source branch was updated. Learn more.

added 1 commit

• 8e005294 - [grenoble] sort vlan offsets

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added 4 commits

• 8e005294...f20a26bf - 2 commits from branch master
• 3c067480 - [grenoble] rework vlans IP allocation to match production network
• d463d54d - [grenoble] sort vlan offsets

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merged

mentioned in commit 50162033