code: public OvhVrackNetwork serviceName_vrack_network_POST(String serviceName, String displayName, Long[] farmId, String natIp, String subnet, Long vlan) throws IOException {
  		String qPath = "/ipLoadbalancing/{serviceName}/vrack/network";
  		StringBuilder sb = path(qPath, serviceName);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "displayName", displayName);
  		addBody(o, "farmId", farmId);
  		addBody(o, "natIp", natIp);
  		addBody(o, "subnet", subnet);
  		addBody(o, "vlan", vlan);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhVrackNetwork.class);
  	}
docs: Add a description of a private network in the attached vRack
  
  REST: POST /ipLoadbalancing/{serviceName}/vrack/network
  @param vlan [required] VLAN of the private network in the vRack. 0 if the private network is not in a VLAN
  @param farmId [required] Farm Id you want to attach to that vrack network
  @param subnet [required] IP Block of the private network in the vRack
  @param displayName [required] Human readable name for your vrack network
  @param natIp [required] An IP block used as a pool of IPs by this Load Balancer to connect to the servers in this private network. The block must be in the private network and reserved for the Load Balancer
  @param serviceName [required] The internal name of your IP load balancing
  
  API beta