http://supervisor/core/check": context deadline exceeded (Client.Timeout exceeded while awaiting headers)

[Mariusthvdb]

Describe the issue you are experiencing

the above error is displayed when checking the config from the command line

What is the used version of the Supervisor?

supervisor-2021.04.3

What type of installation are you running?

Home Assistant OS

Which operating system are you running on?

Home Assistant Operating System

What is the version of your installed operating system?

Home Assistant OS 5.13

What version of Home Assistant Core is installed?

core-2021.5.2

Steps to reproduce the issue

1. login ssh root@hassio.local
2. ha core check
3. eror is displayed
   ...

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

21-05-11 21:04:16 INFO (MainThread) [supervisor.api.security] /network/info access from core_ssh
21-05-11 21:04:16 INFO (MainThread) [supervisor.api.security] /host/info access from core_ssh
21-05-11 21:04:16 INFO (MainThread) [supervisor.api.security] /core/info access from core_ssh
21-05-11 21:04:21 INFO (MainThread) [supervisor.api.security] /core/check access from core_ssh
21-05-11 21:04:21 INFO (SyncWorker_0) [supervisor.docker] Runing command 'python3 -m homeassistant -c /config --script check_config' on homeassistant/raspberrypi4-homeassistant

btw note the typo there: Runing command instead of Running command ....

Additional information

this is final return:

~ $ ha core check
Processing... Done.

Post "http://supervisor/core/check": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
~ $

[frenck]

Related to / Duplicate of home-assistant/cli#292