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Merge pull request #2587 from mheon/update_troubleshooting

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Update troubleshooting guide for Podman-in-Podman
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@ -293,3 +293,21 @@ tells SELinux to apply the labels to the actual content.
Now all new content created in these directories will automatically be created
with the correct label.
### 12) Running Podman inside a container causes container crashes and inconsistent states
Running Podman in a container and forwarding some, but not all, of the required host directories can cause inconsistent container behavior.
#### Symptom
After creating a container with Podman's storage directories mounted in from the host and running Podman inside a container, all containers show their state as "configured" or "created", even if they were running or stopped.
#### Solution
When running Podman inside a container, it is recommended to mount at a minimum `/var/lib/containers/storage/` as a volume.
Typically, you will not mount in the host version of the directory, but if you wish to share containers with the host, you can do so.
If you do mount in the host's `/var/lib/containers/storage`, however, you must also mount in the host's `/var/run/libpod` and `/var/run/containers/storage` directories.
Not doing this will cause Podman in the container to detect that temporary files have been cleared, leading it to assume a system restart has taken place.
This can cause Podman to reset container states and lose track of running containers.
For running containers on the host from inside a container, we also recommend the [Podman remote client](remote_client.md), which only requires a single socket to be mounted into the container.