log/namespaced/namespaced.go
func (n *Namespaced) WithFields(fields log.Fields) log.Interface {
	return &Namespaced{
		Interface:  n.Interface.WithFields(fields),
		namespaces: n.namespaces,
		namespace:  n.namespace,
	}
}
func (n *Namespaced) WithFields(fields log.Fields) log.Interface {
	return &Namespaced{
		Interface:  n.Interface.WithFields(fields),
		namespaces: n.namespaces,
		namespace:  n.namespace,
	}
}
// WithFields adds multiple fields to the logger