docs: def set_nodes_vlan(site, nodes, interface, vlan_id):
      """Set the interface of the nodes in a specific vlan.
  
      It is assumed that the same interface name is available on the node.
  
      Args:
          site(str): site to consider
          nodes(list): nodes to consider
          interface(str): the network interface to put in the vlan
          vlan_id(str): the id of the vlan
      """
      def _to_network_address(host):
          """Translate a host to a network address
          e.g:
          paranoia-20.rennes.grid5000.fr -> paranoia-20-eth2.rennes.grid5000.fr
          """
          splitted = host.split('.')
          splitted[0] = splitted[0] + "-" + interface
          return ".".join(splitted)
  
      gk = get_api_client()
      network_addresses = [_to_network_address(n) for n in nodes]
      gk.sites[site].vlans[str(vlan_id)].submit({"nodes": network_addresses})