Open thread router do not appear

[jhalldn]

Describe the issue you are experiencing

The app starts and run, but do not appear as thread router or as integration. The system log shows:
Failed to communicate with OTBR@http://core-openthread-border-router:8081: Server disconnected

What type of installation are you running?

Home Assistant OS

Which operating system are you running on?

Home Assistant Operating System

Which app are you reporting an issue with?

OpenThread Border Router

What is the version of the app?

2.16.8

Steps to reproduce the issue

1.install app. Run as beta (do the start if this is disable)
2.reboot
3.
...

System Health information

System Information

version	core-2026.5.4
installation_type	Home Assistant OS
dev	false
hassio	true
docker	true
container_arch	aarch64
user	root
virtualenv	false
python_version	3.14.2
os_name	Linux
os_version	6.12.75-haos-raspi
arch	aarch64
timezone	Europe/Stockholm
config_dir	/config

Home Assistant Cloud

logged_in	true
subscription_expiration	16 oktober 2026 02:00
relayer_connected	true
relayer_region	eu-central-1
remote_enabled	true
remote_connected	true
alexa_enabled	false
google_enabled	true
cloud_ice_servers_enabled	true
remote_server	us-east-1-20.ui.nabu.casa
certificate_status	ready
instance_id	76b46863ec2e412c897588eeb50fdbe5
can_reach_cert_server	ok
can_reach_cloud_auth	ok
can_reach_cloud	ok

Home Assistant Supervisor

host_os	Home Assistant OS 17.3
update_channel	stable
supervisor_version	supervisor-2026.05.0
agent_version	1.8.1
docker_version	29.3.1
disk_total	469.4 GB
disk_used	11.2 GB
nameservers	192.168.10.99
healthy	true
supported	true
host_connectivity	true
supervisor_connectivity	true
ntp_synchronized	true
virtualization
board	rpi5-64
supervisor_api	ok
version_api	ok
installed_addons	deCONZ (8.7.0), Samba share (12.6.1), phpMyAdmin (0.13.0), File editor (6.0.0), Z-Wave JS (1.3.0), Matter Server (8.5.0), MariaDB (3.0.1), chrony (6.0.1), Mosquitto broker (7.1.0), Advanced SSH & Web Terminal (23.0.9), OpenThread Border Router (2.16.8)

Dashboards

dashboards	4
resources	0
views	10
mode	storage

Network Configuration

adapters	lo (disabled), end0 (enabled, default, auto), hassio (disabled), docker0 (disabled), veth1f34eeb (disabled), veth4dfe45c (disabled), veth7cbfde9 (disabled), veth1c79809 (disabled), veth9eb55d8 (disabled), veth46a0c52 (disabled), veth4e600db (disabled), vethe862b3a (disabled), veth9c6b182 (disabled), vethaef7482 (disabled), veth2895d13 (disabled), veth6e60d15 (disabled), vethe5c6fec (disabled)
ipv4_addresses	lo (127.0.0.1/8), end0 (192.168.10.88/24), hassio (172.30.32.1/23), docker0 (172.30.232.1/23), veth1f34eeb (), veth4dfe45c (), veth7cbfde9 (), veth1c79809 (), veth9eb55d8 (), veth46a0c52 (), veth4e600db (), vethe862b3a (), veth9c6b182 (), vethaef7482 (), veth2895d13 (), veth6e60d15 (), vethe5c6fec ()
ipv6_addresses	lo (::1/128), end0 (fd66:254f:da2:4abf:c921:ca0b:10f5:8d51/64, fe80::700f:dba4:7d0:3e6c/64), hassio (fd0c:ac1e:2100::1/48, fe80::38e4:59ff:fed1:90ad/64), docker0 (fe80::186b:56ff:fe4f:c700/64), veth1f34eeb (fe80::80b7:5dff:fe5d:3833/64), veth4dfe45c (fe80::f4de:26ff:fe6c:5cb3/64), veth7cbfde9 (fe80::28e1:e9ff:fe14:850a/64), veth1c79809 (fe80::b0d9:b0ff:fef7:4ac0/64), veth9eb55d8 (fe80::3815:76ff:fea9:b470/64), veth46a0c52 (fe80::ac82:4dff:fed4:ba50/64), veth4e600db (fe80::207a:9dff:fe1a:6639/64), vethe862b3a (fe80::2cb6:d3ff:fe10:b598/64), veth9c6b182 (fe80::8885:18ff:fe49:e8b1/64), vethaef7482 (fe80::d4a4:77ff:fe88:1741/64), veth2895d13 (fe80::fca1:aaff:fe25:b331/64), veth6e60d15 (fe80::e82f:4ff:fe3f:bf41/64), vethe5c6fec (fe80::b422:b8ff:fe86:37e6/64)
announce_addresses	192.168.10.88, fd66:254f:da2:4abf:c921:ca0b:10f5:8d51, fe80::700f:dba4:7d0:3e6c

Recorder

oldest_recorder_run	10 maj 2026 14:19
current_recorder_run	23 maj 2026 08:22
estimated_db_size	507.17 MiB
database_engine	mysql
database_version	11.4.10

Spotify

api_endpoint_reachable	ok

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

Nope

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

-----------------------------------------------------------
 Add-on: OpenThread Border Router
 OpenThread Border Router add-on
-----------------------------------------------------------
 Add-on version: 2.16.8
 You are running the latest version of this add-on.
 System: Home Assistant OS 17.3  (aarch64 / raspberrypi5-64)
 Home Assistant Core: 2026.5.3
 Home Assistant Supervisor: 2026.05.0
-----------------------------------------------------------
 Please, share the above information when looking for help
 or support in, e.g., GitHub, forums or the Discord chat.
-----------------------------------------------------------
s6-rc: info: service banner successfully started
s6-rc: info: service otbr-agent: starting
[14:46:11] INFO: Setup OTBR firewall...
[14:46:11] INFO: Migrating OTBR settings if needed...
2026-05-20 14:46:11 homeassistant asyncio[234] DEBUG Using selector: EpollSelector
2026-05-20 14:46:11 homeassistant zigpy.serial[234] DEBUG Opening a serial connection to '/dev/serial/by-id/usb-SONOFF_SONOFF_Dongle_Plus_MG24_dee6bc09c9f5ef118ab9a2a29ed47d52-if00-port0' (baudrate=460800, xonxoff=False, rtscts=False)
2026-05-20 14:46:11 homeassistant serialx.platforms.serial_posix[234] DEBUG Configuring serial port '/dev/serial/by-id/usb-SONOFF_SONOFF_Dongle_Plus_MG24_dee6bc09c9f5ef118ab9a2a29ed47d52-if00-port0'
2026-05-20 14:46:11 homeassistant serialx.platforms.serial_posix[234] DEBUG Configuring serial port: [0, 0, 3248, 0, 4100, 4100, [b'\x03', b'\x1c', b'\x7f', b'\x15', b'\x04', 0, 0, b'\x00', b'\x11', b'\x13', b'\x1a', b'\x00', b'\x12', b'\x0f', b'\x17', b'\x16', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00', b'\x00']]
2026-05-20 14:46:11 homeassistant serialx.platforms.serial_posix[234] DEBUG Setting low latency mode: True
2026-05-20 14:46:11 homeassistant serialx.platforms.serial_posix[234] DEBUG Setting modem pins: ModemPins[!dtr !rts]
2026-05-20 14:46:11 homeassistant serialx.platforms.serial_posix[234] DEBUG TIOCMBIC: 0x00000006
2026-05-20 14:46:11 homeassistant zigpy.serial[234] DEBUG Connection made: <serialx.platforms.serial_posix.PosixSerialTransport object at 0x7f8ef85250>
2026-05-20 14:46:11 homeassistant universal_silabs_flasher.spinel[234] DEBUG Sending frame SpinelFrame(header=SpinelHeader(transaction_id=0, network_link_id=0, flag=2), command_id=<CommandID.RESET: 1>, data=b'\x02')
2026-05-20 14:46:11 homeassistant universal_silabs_flasher.spinel[234] DEBUG Sending data b'~\x80\x01\x02\xea\xf0~'
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Immediately writing b'~\x80\x01\x02\xea\xf0~'
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Sent 7 of 7 bytes
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Event loop woke up reader
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Received b'~\x80\x06\x00p\xeet~'
2026-05-20 14:46:11 homeassistant universal_silabs_flasher.spinel[234] DEBUG Decoded HDLC frame: HDLCLiteFrame(data=b'\x80\x06\x00p')
2026-05-20 14:46:11 homeassistant universal_silabs_flasher.spinel[234] DEBUG Parsed frame SpinelFrame(header=SpinelHeader(transaction_id=0, network_link_id=0, flag=2), command_id=<CommandID.PROP_VALUE_IS: 6>, data=b'\x00p')
2026-05-20 14:46:11 homeassistant universal_silabs_flasher.spinel[234] DEBUG Sending frame SpinelFrame(header=SpinelHeader(transaction_id=3, network_link_id=0, flag=2), command_id=<CommandID.PROP_VALUE_GET: 2>, data=b'\x08')
2026-05-20 14:46:11 homeassistant universal_silabs_flasher.spinel[234] DEBUG Sending data b'~\x83\x02\x08\xbc\x9a~'
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Immediately writing b'~\x83\x02\x08\xbc\x9a~'
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Sent 7 of 7 bytes
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Event loop woke up reader
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Received b'~\x83\x06\x08\xb4\x891\xff\xfe.0\xce\xccf~'
2026-05-20 14:46:11 homeassistant universal_silabs_flasher.spinel[234] DEBUG Decoded HDLC frame: HDLCLiteFrame(data=b'\x83\x06\x08\xb4\x891\xff\xfe.0\xce')
2026-05-20 14:46:11 homeassistant universal_silabs_flasher.spinel[234] DEBUG Parsed frame SpinelFrame(header=SpinelHeader(transaction_id=3, network_link_id=0, flag=2), command_id=<CommandID.PROP_VALUE_IS: 6>, data=b'\x08\xb4\x891\xff\xfe.0\xce')
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Closing at the request of the application
2026-05-20 14:46:11 homeassistant zigpy.serial[234] DEBUG Waiting for serial port to close
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Closing connection: None
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Closing file descriptor 7
2026-05-20 14:46:11 homeassistant serialx.descriptor_transport[234] DEBUG Calling protocol `connection_lost` with exc=None
2026-05-20 14:46:11 homeassistant zigpy.serial[234] DEBUG Connection lost: None
Settings file /data/thread/0_b48931fffe2e30ce.data is not a valid OTBR settings file, skipping
No existing settings files found, skipping
[14:46:11] INFO: Starting otbr-agent...
[NOTE]-AGENT---: Running 0.3.0-624a7d98
[NOTE]-AGENT---: Thread version: 1.4.0
[NOTE]-AGENT---: Thread interface: wpan0
[NOTE]-AGENT---: Radio URL: spinel+hdlc+uart:///dev/serial/by-id/usb-SONOFF_SONOFF_Dongle_Plus_MG24_dee6bc09c9f5ef118ab9a2a29ed47d52-if00-port0?uart-baudrate=460800&uart-init-deassert
[NOTE]-AGENT---: Radio URL: trel://end0
[NOTE]-ILS-----: Infra link selected: end0
55d.08:51:40.255 [C] P-SpinelDrive-: Software reset co-processor successfully
00:00:00.033 [N] BorderRouting-: BR ULA prefix: fd15:b2a0:c041::/48 (loaded)
00:00:00.033 [N] BorderRouting-: Local on-link prefix: fdde:ad00:beef:cafe::/64
[WARN]-UTILS---: /usr/src/ot-br-posix/src/rest/network_diag_handler.cpp:1300 lacking some attributes for deviceId c254d76058b8ed46
[WARN]-UTILS---: /usr/src/ot-br-posix/src/rest/network_diag_handler.cpp:1244 cannot get LeaderData while detached
[WARN]-UTILS---: /usr/src/ot-br-posix/src/rest/rest_devices_coll.cpp:232 - AddItem - c254d76058b8ed46
[WARN]-REST----: REST server failed to start on 172.30.32.1:8081
00:00:00.044 [W] P-Netif-------: Failed to process request#2: No such process
Connection to 172.30.32.1 8081 port [tcp/tproxy] succeeded!
s6-rc: info: service otbr-agent successfully started
s6-rc: info: service otbr-agent-configure: starting
Done
[14:46:11] INFO: Setting OpenThread mDNS local hostname to homeassistant-otbr.
Done
00:00:00.302 [W] P-Daemon------: Failed to write CLI output: Broken pipe
Done
Done
s6-rc: info: service otbr-agent-configure successfully started
s6-rc: info: service otbr-agent-rest-discovery: starting
[14:46:12] INFO: Successfully sent discovery information to Home Assistant.
s6-rc: info: service otbr-agent-rest-discovery successfully started
s6-rc: info: service legacy-services: starting
s6-rc: info: service legacy-services successfully started

Additional information

No response

[agners]

[WARN]-REST----: REST server failed to start on 172.30.32.1:8081

This looks like some other add-on is using port 8081 maybe?

What is your configuration?

[jhalldn]

Sounds like your on to something. What can i do to answer your question with the right input?
I think everything is noticed in my case, but can it be some app with the exact ip and port usage? In The documentation itis written that the gui is disabled, but HA should be able to use the app?!