Yong Tang 405fe721cc Update docs of docker network ls --filter
Currently the help output of `docker network ls --filter` is:
```
Options:
  -f, --filter value   Provide filter values (i.e. 'dangling=true') (default [])
  ...
```
This caused confusion as only the following filters are supported at the moment:
 - `driver`
 - `type`
 - `name`
 - `id`
 - `label`

This fix update the help output of `docker network ls --filter` and `network_ls.md`.
The `dangling=true` description has been replace to:
```
Options:
  -f, --filter filter   Provide filter values (i.e. 'driver=bridge')
  ...
```

This fix fixes 28786.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2017-06-02 00:10:41 +00:00
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