(env) > ansible-inventory -i hosts --graph
@all:
  |--@ungrouped:
  |--@swarm_sw_01:
  |  |--7509aed0
  |  |--e3c34e4f
  |  |--test_111
  |--@vmm_iocage_02:
  |  |--7509aed0
  |  |--e3c34e4f
  |  |--test_111
