code: def _list_interface_private_addrs(eni_desc):
      '''
      Returns a list of all of the private IP addresses attached to a
      network interface. The 'primary' address will be listed first.
      '''
      primary = eni_desc.get('privateIpAddress')
      if not primary:
          return None
  
      addresses = [primary]
  
      lst = eni_desc.get('privateIpAddressesSet', {}).get('item', [])
      if not isinstance(lst, list):
          return addresses
  
      for entry in lst:
          if entry.get('primary') == 'true':
              continue
          if entry.get('privateIpAddress'):
              addresses.append(entry.get('privateIpAddress'))
  
      return addressef _list_interface_private_addrs(eni_desc):
      '''
      Returns a list of all of the private IP addresses attached to a
      network interface. The 'primary' address will be listed first.
      '''
      primary = eni_desc.get('privateIpAddress')
      if not primary:
          return None
  
      addresses = [primary]
  
      lst = eni_desc.get('privateIpAddressesSet', {}).get('item', [])
      if not isinstance(lst, list):
          return addresses
  
      for entry in lst:
          if entry.get('primary') == 'true':
              continue
          if entry.get('privateIpAddress'):
              addresses.append(entry.get('privateIpAddress'))
  
      return addresses
docs: Returns a list of all of the private IP addresses attached to a
      network interface. The 'primary' address will be listed first.