2. always get warning on top_file_merging_strategy
# sudo qubesctl state.highstate # or state.apply
[WARNING ] top_file_merging_strategy is set to 'merge' and multiple top files were found. Merging order is not deterministic, it may be desirable to either set top_file_merging_strategy to 'same' or use the 'env_order' configuration parameter to specify the merging order.
local:
...