node-1 capabilities: ['features', 'models', 'tier', 'version', '_path']
  node-2 capabilities: ['features', 'models', 'tier', 'version', '_path']
  node-3 capabilities: ['features', 'models', 'tier', 'version', '_path']
  node-4 capabilities: ['features', 'models', 'tier', 'version', '_path']