##### SUMMARY
`docker_container` should so some sanity checks that not two volumes / mount points use the same target inside the container, so that especially when recreating containers, they won't be destroyed first before recreating fails.

This becomes more important once #49808 is merged.

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
docker_container

##### ANSIBLE VERSION
```
2.8.0
```

self.log('_get_expected_ulimits')
        if config_ulimits is None:
            return None
        results = []
        for limit in config_ulimits:
            results.append(dict(
                Name=limit.name,
                Soft=limit.soft,
                Hard=limit.hard
            ))
        return results
    def _get_expected_sysctls(self, config_sysctls):
        self.log('_get_expected_sysctls')
        if config_sysctls is None:
            return None
        result = dict()
        for key, value in config_sysctls.items():
            result[key] = str(value)
        return result
    def _get_expected_cmd(self):