[FS#383] 1043nd: wifi instable after 5minutes

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - Alexander Couzens (lynxis) 

Attached to Project - LEDE Project
Summary - 1043nd: wifi instable after 5minutes
Task Type - Bug Report
Category - Base system
Status - New
Assigned To - Alexander Couzens
Operating System - All
Severity - Low
Priority - Medium
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - board: TL-WR1043ND
version: reboot-2823-g3e7b894

- connect one or multiple clients to wifi
- create some traffic e.g. speedtests
- connection disconnects after 2-3 minutes
- wifi is unusable until calling `wifi`

ToDo:
- dmesg
- logread
- timeline with line in logread when connection, disconnect happens
- tcpdump AP + sta side


More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=383