code: public ArrayList<OvhInterface> project_serviceName_instance_instanceId_interface_GET(String serviceName, String instanceId) throws IOException {
  		String qPath = "/cloud/project/{serviceName}/instance/{instanceId}/interface";
  		StringBuilder sb = path(qPath, serviceName, instanceId);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, t22);
  	}
docs: Get interfaces
  
  REST: GET /cloud/project/{serviceName}/instance/{instanceId}/interface
  @param instanceId [required] Instance id
  @param serviceName [required] Service name