Cannot connect to thread device using SLZB-MR4U on EFR32MG26 radio

[mackowskim]

Describe the issue you are experiencing

Hi,
It seems radio connection is not stable.
Could you please look at this?

What type of installation are you running?

Home Assistant OS

Which operating system are you running on?

Home Assistant Operating System

Which add-on are you reporting an issue with?

OpenThread Border Router

What is the version of the add-on?

2.15.2

Steps to reproduce the issue

1. Install Thread Open Router and connect to EFR32MG26 radio (SLZB-MR4U)
2. Try to pair a Matter device
   ...

System Health information

System healthy

Anything in the Supervisor logs that might be useful for us?

Anything in the add-on logs that might be useful for us?

00:10:46.696 [W] P-RadioSpinel-: Error processing result: NoAddress
00:10:46.696 [W] P-RadioSpinel-: Error waiting response: NoAddress
00:10:52.188 [W] P-RadioSpinel-: Wait for response timeout
00:10:52.188 [W] P-RadioSpinel-: RCP failure detected
00:10:52.188 [W] P-RadioSpinel-: Trying to recover (1/2)
00:10:52.420 [C] P-RadioSpinel-: RCP => [C] Platform------: Reset info: 0x3 (EXT)
00:10:52.420 [C] P-RadioSpinel-: RCP => [C] Platform------: Extended Reset info: 0x301 (PIN)
00:10:52.420 [N] P-RadioSpinel-: RCP recovery is done
00:10:52.431 [W] P-RadioSpinel-: Error processing result: NoAddress
00:10:52.431 [W] P-RadioSpinel-: Error waiting response: NoAddress
00:10:57.468 [W] P-RadioSpinel-: radio tx timeout
00:10:57.468 [W] P-RadioSpinel-: RCP failure detected
00:10:57.468 [W] P-RadioSpinel-: Trying to recover (1/2)
00:10:57.731 [C] P-RadioSpinel-: RCP => [C] Platform------: Reset info: 0x3 (EXT)
00:10:57.731 [C] P-RadioSpinel-: RCP => [C] Platform------: Extended Reset info: 0x301 (PIN)
00:10:57.731 [N] P-RadioSpinel-: RCP recovery is done

Additional information

No response