[CI:DOCS] Explicitly mention that checkpointing systemd containers mi…

…ght fail Checkpoint a container using systemd as entrypoint will probably result in an error as CRIU cannot handle all the resources latest systemd uses. This updates the checkpoint man page with this information. Signed-off-by: Adrian Reber <[email protected]>
rhatdan · Dec 20, 2021 · 1ddb49c · 1ddb49c
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diff --git a/docs/source/markdown/podman-container-checkpoint.1.md b/docs/source/markdown/podman-container-checkpoint.1.md
@@ -9,6 +9,8 @@ podman\-container\-checkpoint - Checkpoints one or more running containers
 ## DESCRIPTION
 **podman container checkpoint** checkpoints all the processes in one or more *containers*. A *container* can be restored from a checkpoint with **[podman-container-restore](podman-container-restore.1.md)**. The *container IDs* or *names* are used as input.
 
+*IMPORTANT: If the container is using __systemd__ as __entrypoint__ checkpointing the container might not be possible.*
+
 ## OPTIONS
 #### **--all**, **-a**