[Curl error 42] Unity is looping (freeze) during startup, called via CLI

Hello everyone :),

we currently have the issue on our gitlab runner which is on an offline machine that it get stuck on startup during the tests and the log only outputs at the end:

Curl error 42: Callback aborted
Curl error 42: Callback aborted
Curl error 42: Callback aborted
Curl error 42: Callback aborted
Curl error 42: Callback aborted

Does someone have a solution or a guess what it could cause? Maybe someone from Unity?

Best regards,

I now shutdown the Unity-Accelerator Service and now the issue is gone.
How can I find out what causes it?

Now it again does not work … and is almost giving the same error … expect it tries to connect sometimes to unity accelerator:

Curl error 42: Callback aborted
AcceleratorClientConnectionCallback - disconnected - UNITY-ACCEL:10080
Curl error 42: Callback aborted
AcceleratorClientConnectionCallback - disconnected - UNITY-ACCEL:10080
Curl error 42: Callback aborted
Curl error 42: Callback aborted
AcceleratorClientConnectionCallback - disconnected - UNITY-ACCEL:10080
Curl error 42: Callback aborted
Curl error 42: Callback aborted
Curl error 42: Callback aborted
Curl error 42: Callback aborted
AcceleratorClientConnectionCallback - disconnected - UNITY-ACCEL:10080
Curl error 42: Callback aborted
Curl error 42: Callback aborted
Curl error 42: Callback aborted
Curl error 42: Callback aborted