brute.go
func (b *bruteRanger) Insert(entry RangerEntry) error {
	network := entry.Network()
	key := network.String()
	if _, found := b.ipV4Entries[key]; !found {
		entries, err := b.getEntriesByVersion(entry.Network().IP)
		if err != nil {
			return err
		}
		entries[key] = entry
	}
	return nil
}
func (b *bruteRanger) Insert(entry RangerEntry) error {
	network := entry.Network()
	key := network.String()
	if _, found := b.ipV4Entries[key]; !found {
		entries, err := b.getEntriesByVersion(entry.Network().IP)
		if err != nil {
			return err
		}
		entries[key] = entry
	}
	return nil
}
// Insert inserts a RangerEntry into ranger.