code: func (c *containerConfig) createNetworkingConfig(b executorpkg.Backend) *network.NetworkingConfig {
  	var networks []*api.NetworkAttachment
  	if c.task.Spec.GetContainer() != nil || c.task.Spec.GetAttachment() != nil {
  		networks = c.task.Networks
  	}
  
  	epConfig := make(map[string]*network.EndpointSettings)
  	if len(networks) > 0 {
  		epConfig[networks[0].Network.Spec.Annotations.Name] = getEndpointConfig(networks[0], b)
  	}
  
  	return &network.NetworkingConfig{EndpointsConfig: epConfig}
  }
docs: // Docker daemon supports just 1 network during container create.