openthred ot_rcp stops working after few moments (IDFGH-17076)

[mmlody]

Answers checklist.

• I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
• I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
• I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

hello

latest IDF, example code from openthread\ot_rcp
esp-idf-v5.5.2
device: mstack nanoc6 (ESP32-C6)

compilation without errors, flashed without erros
configured in homeassistant as router to thread netowrk, after few minutes errors like below (log from OpenThread Border Router):
how to correct this error ?

====
00:08:20.288 [I] MeshForwarder-: Sent IPv6 UDP msg, len:73, chksum:0a38, ecn:no, to:0xffff, sec:yes, prio:low, radio:all
00:08:20.288 [I] MeshForwarder-: src:[fe80:0:0:0:a821:5e77:acc5:5207]:5355
00:08:20.288 [I] MeshForwarder-: dst:[ff02:0:0:0:0:0:1:3]:5355
00:08:20.317 [D] P-SpinelDrive-: Sent spinel frame, flg:0x2, iid:0, tid:14, cmd:PROP_VALUE_SET, key:STREAM_RAW, len:124, channel:15, maxbackoffs:4, maxretries:15 ...
00:08:20.317 [D] P-SpinelDrive-: ... csmaCaEnabled:1, isHeaderUpdated:0, isARetx:0, skipAes:0, txDelay:0, txDelayBase:0
00:08:20.326 [D] P-SpinelDrive-: Received spinel frame, flg:0x2, iid:0, tid:14, cmd:PROP_VALUE_IS, key:LAST_STATUS, status:OK
00:08:20.327 [D] P-SpinelDrive-: Sent spinel frame, flg:0x2, iid:0, tid:15, cmd:PROP_VALUE_SET, key:STREAM_RAW, len:120, channel:15, maxbackoffs:4, maxretries:15 ...
00:08:20.327 [D] P-SpinelDrive-: ... csmaCaEnabled:1, isHeaderUpdated:0, isARetx:0, skipAes:0, txDelay:0, txDelayBase:0
00:08:20.336 [D] P-SpinelDrive-: Received spinel frame, flg:0x2, iid:0, tid:15, cmd:PROP_VALUE_IS, key:LAST_STATUS, status:OK
00:08:20.336 [D] P-SpinelDrive-: Sent spinel frame, flg:0x2, iid:0, tid:1, cmd:PROP_VALUE_SET, key:STREAM_RAW, len:66, channel:15, maxbackoffs:4, maxretries:15 ...
00:08:20.336 [D] P-SpinelDrive-: ... csmaCaEnabled:1, isHeaderUpdated:0, isARetx:0, skipAes:0, txDelay:0, txDelayBase:0
00:08:20.343 [D] P-SpinelDrive-: Received spinel frame, flg:0x2, iid:0, tid:1, cmd:PROP_VALUE_IS, key:LAST_STATUS, status:OK
00:08:20.343 [I] MeshForwarder-: Sent IPv6 UDP msg, len:250, chksum:b7c7, ecn:no, to:0xffff, sec:yes, prio:low, radio:all
00:08:20.343 [I] MeshForwarder-: src:[fe80:0:0:0:a821:5e77:acc5:5207]:5353
00:08:20.343 [I] MeshForwarder-: dst:[ff02:0:0:0:0:0:0:fb]:5353
00:08:20.499 [D] P-SpinelDrive-: Sent spinel frame, flg:0x2, iid:0, tid:2, cmd:PROP_VALUE_SET, key:STREAM_RAW, len:72, channel:15, maxbackoffs:4, maxretries:15 ...
00:08:20.499 [D] P-SpinelDrive-: ... csmaCaEnabled:1, isHeaderUpdated:0, isARetx:0, skipAes:0, txDelay:0, txDelayBase:0
00:08:20.505 [D] P-SpinelDrive-: Received spinel frame, flg:0x2, iid:0, tid:2, cmd:PROP_VALUE_IS, key:LAST_STATUS, status:OK
00:08:20.506 [I] MeshForwarder-: Sent IPv6 UDP msg, len:73, chksum:31fd, ecn:no, to:0xffff, sec:yes, prio:low, radio:all
00:08:20.506 [I] MeshForwarder-: src:[fe80:0:0:0:a821:5e77:acc5:5207]:5355
00:08:20.506 [I] MeshForwarder-: dst:[ff02:0:0:0:0:0:1:3]:5355
00:08:20.517 [D] P-SpinelDrive-: Sent spinel frame, flg:0x2, iid:0, tid:3, cmd:PROP_VALUE_SET, key:STREAM_RAW, len:124, channel:15, maxbackoffs:4, maxretries:15 ...
00:08:20.517 [D] P-SpinelDrive-: ... csmaCaEnabled:1, isHeaderUpdated:0, isARetx:0, skipAes:0, txDelay:0, txDelayBase:0
00:08:22.329 [I] Mle-----------: Send Advertisement (ff02:0:0:0:0:0:0:1)
00:08:25.518 [W] P-RadioSpinel-: radio tx timeout
00:08:25.518 [W] P-RadioSpinel-: RCP failure detected
00:08:25.518 [W] P-RadioSpinel-: Trying to recover (1/2)
00:08:25.518 [D] P-SpinelDrive-: Sent spinel frame, flg:0x2, iid:0, tid:1, cmd:PROP_VALUE_SET, key:PHY_ENABLED, enabled:1
00:08:25.518 [D] P-RadioSpinel-: Wait response: tid=1 key=32
00:08:27.520 [W] P-RadioSpinel-: Wait for response timeout
00:08:27.520 [W] P-RadioSpinel-: RCP failure detected
00:08:27.520 [W] P-RadioSpinel-: Trying to recover (2/2)
00:08:27.520 [D] P-SpinelDrive-: Sent spinel frame, flg:0x2, iid:0, tid:1, cmd:PROP_VALUE_SET, key:PHY_ENABLED, enabled:1
00:08:27.520 [D] P-RadioSpinel-: Wait response: tid=1 key=32
00:08:29.522 [W] P-RadioSpinel-: Wait for response timeout
00:08:29.522 [W] P-RadioSpinel-: RCP failure detected
00:08:29.522 [C] P-RadioSpinel-: Too many rcp failures, exiting
00:08:29.522 [C] Platform------: RecoverFromRcpFailure() at radio_spinel.cpp:2063: Failure
[17:09:59] WARNING: otbr-agent exited with code 1 (by signal 0).
Chain OTBR_FORWARD_INGRESS (0 references)
target prot opt source destination
DROP all -- anywhere anywhere PKTTYPE = unicast
DROP all -- anywhere anywhere match-set otbr-ingress-deny-src src
ACCEPT all -- anywhere anywhere match-set otbr-ingress-allow-dst dst
DROP all -- anywhere anywhere PKTTYPE = unicast
ACCEPT all -- anywhere anywhere
otbr-ingress-deny-src
otbr-ingress-deny-src-swap
otbr-ingress-allow-dst
otbr-ingress-allow-dst-swap
Chain OTBR_FORWARD_EGRESS (0 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
[17:09:59] INFO: OTBR firewall teardown completed.u