fix wrong location for network related doc files

Signed-off-by: lixiaobing10051267 <li.xiaobing1@zte.com.cn>

docs/reference/commandline/network_connect.md

@@ -98,5 +98,5 @@ You can connect a container to one or more networks. The networks need not be th
 * [network disconnect](network_disconnect.md)
 * [network ls](network_ls.md)
 * [network rm](network_rm.md)
-* [Understand Docker container networks](../../userguide/networking/index.md)
-* [Work with networks](../../userguide/networking/work-with-networks.md)
+* [Understand Docker container networks](https://docs.docker.com/engine/userguide/networking/)
+* [Work with networks](https://docs.docker.com/engine/userguide/networking/work-with-networks/)

docs/reference/commandline/network_create.md

@@ -68,7 +68,7 @@ The `dockerd` options that support the `overlay` network are:
 * `--cluster-advertise`
 
 To read more about these options and how to configure them, see ["*Get started
-with multi-host network*"](../../userguide/networking/get-started-overlay.md).
+with multi-host network*"](https://docs.docker.com/engine/userguide/networking/get-started-overlay).
 
 While not required, it is a good idea to install Docker Swarm to
 manage the cluster that makes up your network. Swarm provides sophisticated
@@ -197,4 +197,4 @@ to create an externally isolated `overlay` network, you can specify the
 * [network disconnect](network_disconnect.md)
 * [network ls](network_ls.md)
 * [network rm](network_rm.md)
-* [Understand Docker container networks](../../userguide/networking/index.md)
+* [Understand Docker container networks](https://docs.docker.com/engine/userguide/networking/)

docs/reference/commandline/network_disconnect.md

@@ -39,4 +39,4 @@ Disconnects a container from a network. The container must be running to disconn
 * [network create](network_create.md)
 * [network ls](network_ls.md)
 * [network rm](network_rm.md)
-* [Understand Docker container networks](../../userguide/networking/index.md)
+* [Understand Docker container networks](https://docs.docker.com/engine/userguide/networking/)

docs/reference/commandline/network_inspect.md

@@ -128,4 +128,4 @@ $ docker network inspect simple-network
 * [network create](network_create.md)
 * [network ls](network_ls.md)
 * [network rm](network_rm.md)
-* [Understand Docker container networks](../../userguide/networking/index.md)
+* [Understand Docker container networks](https://docs.docker.com/engine/userguide/networking/)

docs/reference/commandline/network_ls.md

@@ -214,4 +214,4 @@ d1584f8dc718: host
 * [network create](network_create.md)
 * [network inspect](network_inspect.md)
 * [network rm](network_rm.md)
-* [Understand Docker container networks](../../userguide/networking/index.md)
+* [Understand Docker container networks](https://docs.docker.com/engine/userguide/networking/)

docs/reference/commandline/network_rm.md

@@ -55,4 +55,4 @@ deletion.
 * [network create](network_create.md)
 * [network ls](network_ls.md)
 * [network inspect](network_inspect.md)
-* [Understand Docker container networks](../../userguide/networking/index.md)
+* [Understand Docker container networks](https://docs.docker.com/engine/userguide/networking/)