tools/etcd-dump-logs/main.go
func passConfChange(entry raftpb.Entry) (bool, string) {
	return entry.Type == raftpb.EntryConfChange, "ConfigChange"
}
func passConfChange(entry raftpb.Entry) (bool, string) {
	return entry.Type == raftpb.EntryConfChange, "ConfigChange"
}
// The 9 pass functions below takes the raftpb.Entry and return if the entry should be printed and the type of entry,
// the type of the entry will used in the following print function