Problem with Keenetic Giga 1010 connection

[stormmaster]

The problem

_HomeAssistant_2025.4_logs.txt

_HomeAssistant_2025.4_logs (1).txt

home-assistant_keenetic_ndms2_2025-04-04T11-52-56.957Z.log

What version of Home Assistant Core has the issue?

2025.4.0

What was the last working version of Home Assistant Core?

2025.3.5

What type of installation are you running?

Home Assistant Container

Integration causing the issue

Keenetic NDMS2 Router

Link to integration documentation on our website

No response

Diagnostics information

Got a connection problem after upgrading core to 2025.4.0, tried to reconnect and restart,still getting the "500 Internal Server Error Server got itself in trouble" error

Example YAML snippet

Anything in the logs that might be useful for us?

Additional information

No response

[home-assistant]

Hey there @foxel, mind taking a look at this issue as it has been labeled with an integration (keenetic_ndms2) you are listed as a code owner for? Thanks!

Code owner commands

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keenetic_ndms2 documentation
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[foxel]

Hello @stormmaster. I also have KN-1010 with 4.2.6 firmware. I'm not reproducing any errors after upgrading HA to 2025.4

Please provide related logs from HA Settings -> System -> logs

[stormmaster]

Hello, @foxel . "I'm not reproducing any errors" - pls do some efforts to start reproducing or improve your passive voice because ppl don't understand you. System log was already added, but here is ONE MORE log for you if you don't see it attached.
home-assistant_2025-04-09T17-35-26.310Z.log

[foxel]

@stormmaster sorry, not used to have logs as attachments. Was expecting to see them plain.

With "I'm not reproducing" I mean that on my setup I can't reproduce the error just of the HA update.

The logs show that the integration can't connect to the router for some reason.
The Options flow fails to get the list of interfaces to start - that's what makes you see "Server got itself in trouble"

The error with config flow is covered in #142191 which add also a reconfiguration flow where one can change the port and login/password.

I suggest you the following:

• check that the router is accessible from the HA machine
• ensure that the router user you use for HA integration was not changed recently

If the user was changed and you need to update the username/password for the integration you have the following options till the #142191 is not delivered:

• edit the /config/.storage/core.config_entries file on HA host and update the credentials, you can access the file using SSH or SAMBA addons
• remove and add the integration back with correct credentials