Log Error

### Prerequisites

- [x] I have checked the [Wiki](https://github.com/AdguardTeam/AdGuardHome/wiki) and [Discussions](https://github.com/AdguardTeam/AdGuardHome/discussions/categories/q-a) and found no answer

- [x] I have searched other issues and found no duplicates

- [x] I want to report a bug and not [ask a question or ask for help](https://github.com/AdguardTeam/AdGuardHome/discussions/categories/q-a)

- [x] I have set up AdGuard Home correctly and [configured clients to use it](https://github.com/AdguardTeam/AdGuardHome/wiki/Clients). (Use the [Discussions](https://github.com/AdguardTeam/AdGuardHome/discussions/categories/q-a) for help with installing and configuring clients.)

### Platform (OS and CPU architecture)

Linux, AMD64 (aka x86_64)

### Installation

GitHub releases or script from README

### Setup

On one machine

### AdGuard Home version

Copyright © 2026 AdGuard Versión: v0.107.73

### Action

1- I have constantly this output

2- I've tuning operative sistem Ubuntu 24.0.4

3- /var/log/addguard.log

2026/03/26 04:32:06.406423 [error] dnsproxy: unpacking udp packet err="bad question name: dns: bad rdata"
2026/03/26 04:32:06.406473 [error] dnsproxy: unpacking udp packet err="bad question name: dns: bad rdata"
2026/03/26 04:32:06.406491 [error] dnsproxy: unpacking udp packet err="bad question name: dns: buffer size too small"
2026/03/26 04:32:06.406534 [error] dnsproxy: unpacking udp packet err="bad question name: dns: buffer size too small"

### Expected result

Log for Queries

### Actual result

1- Fix problem

2- sysctl.conf for Adguard

### Additional information and/or screenshots