Hi, had very few issues with HA upto now, getting the above message as a critical error. When you click learn more the page does not exists.
Any help appreciated as I am not great with Docker other than the basics.
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Looks like there’s a fix for the supervisor ralated to this topic: Release 2026.03.2 · home-assistant/supervisor · GitHub
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Do you still see this issue? What type of installation do you have? Can you share the Supervisor logs (Settings > System > Logs, then select “Supervisor” on the top right)?
Issue resolved thanks. Restored back to previous core version then upgraded to current and problem resolved.
Hi, I’ve got the same critical error (Unhealthy system - docker_gateway_unprotected) and unhealthy state since ~ March 19th. Nothing was changed in hardware (orange pi 3 lts) and configs. Before that - rock stable for months, even with DietPi updates and Debian 13.
The message from HA Supervisor log is:
“ERROR (MainThread) [supervisor.host.firewall] Failed waiting for gateway firewall unit to complete:”
Something went wrong with HA update or possibly, with its Supervisor update…
My HA info:
Installation method: Home Assistant Supervised
Core: 2026.2.3
Supervisor: 2026.03.2
Operating System: -
Frontend: 20260128.6
I would be very grateful for any help…
P.S. In my case downgrading HA Core to v.2026.1.3 and then upgrading it to a newest v.2026.3.4 hasn’t helped - critical error and resulted “unhealthy” state are still there.
@alexpt11 can you check journalctl -u supervisor-firewall-gateway.service to see what errors are reported? What Debian version are you using?
I rebooted the host and that’s what I see:
systemd[1]: Starting supervisor-firewall-gateway.service - Supervisor gateway firewall rules...
systemd[1]: supervisor-firewall-gateway.service: Deactivated successfully.
systemd[1]: Finished supervisor-firewall-gateway.service - Supervisor gateway firewall rules.
I’ve been using DietPi @ Debian 13 Trixie for quite a while (half a year or so), and I didn’t have any issue before, all that time it was just a very stable system. Even right now it is, but since the middle of March I am seeing this critical message. Thank you!
Same issue here, like alexpt11 said.
Also using dietpi, now 2+ years stable (DietPi v10.2.3)
root@homeassistant:/# uname -a
Linux homeassistant 6.4.0-0.deb12.2-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.4.4-3~bpo12+1 (2023-08-08) x86_64 GNU/Linux
supervisor-firewall-gateway.service not found on my system.
In my case, after HA Supervisor automatic update from version 2026.03.2 to 2026.03.3, the problem of unhealthy system (docker_gateway_unprotected) disappeared as suddenly as it appeared. I suspect that it also started from auto-updating supervisor to v.03.2. There was something in this version 2026.03.2 that caused it.