##### 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
```

for param_name in REQUIRES_CONVERSION_TO_BYTES:
            if client.module.params.get(param_name):
                try:
                    setattr(self, param_name, human_to_bytes(client.module.params.get(param_name)))
                except ValueError as exc:
                    self.fail("Failed to convert %s to bytes: %s" % (param_name, exc))
        self.publish_all_ports = False
        self.published_ports = self._parse_publish_ports()
        if self.published_ports in ('all', 'ALL'):
            self.publish_all_ports = True
            self.published_ports = None
        self.ports = self._parse_exposed_ports(self.published_ports)
        self.log("expose ports:")
        self.log(self.ports, pretty_print=True)
        self.links = self._parse_links(self.links)
        if self.volumes:
            self.volumes = self._expand_host_paths()
        self.tmpfs = self._parse_tmpfs()
        self.env = self._get_environment()
        self.ulimits = self._parse_ulimits()
        self.sysctls = self._parse_sysctls()
        self.log_config = self._parse_log_config()
        try:
            self.healthcheck, self.disable_healthcheck = parse_healthcheck(self.healthcheck)
        except ValueError as e:
            self.fail(str(e))
        self.exp_links = None
        self.volume_binds = self._get_volume_binds(self.volumes)
        self.pid_mode = self._replace_container_names(self.pid_mode)
        self.ipc_mode = self._replace_container_names(self.ipc_mode)