Windows base image builders failing with `Job failed: Disconnected: Switch turned off`

[shonfeder]

E.g., in https://images.ci.ocaml.org/job/2024-07-30/015349-win-version-45143d and https://images.ci.ocaml.org/job/2024-07-29/151428-win-version-e4a100

2024-07-30 01:53.49: New job: Windows version
2024-07-30 01:53.49: Waiting for resource in pool OCluster
2024-07-30 01:53.49: Waiting for worker…
2024-07-30 01:53.49: Got resource from pool OCluster
Building on ltsc2019-3
Sending build context to Docker daemon  2.048kB

Step 1/2 : FROM mcr.microsoft.com/windows:ltsc2019
ltsc2019: Pulling from windows
Digest: sha256:d73b1d59869965123148077be9cb06df4e706aea55bbc0dc5e28f0ce35b52676
Status: Image is up to date for mcr.microsoft.com/windows:ltsc2019
 ---> 6df6740e93d4
Step 2/2 : RUN for /f "tokens=4 delims=[] " %a in ('ver') do echo 1722304429& echo OuTPuT& echo %a& echo OuTPuT
 ---> Running in 46b679f1c40e

C:\>echo 1722304429  & echo OuTPuT  & echo 10.0.17763.6054  & echo OuTPuT 
1722304429
OuTPuT
10.0.17763.6054
OuTPuT
Removing intermediate container 46b679f1c40e
 ---> 84e1e835ca75
Successfully built 84e1e835ca75
Job succeeded
2024-07-30 01:58.50: Job failed: Disconnected: Switch turned off