Make experimental a runtime flag

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>

docs/reference/commandline/dockerd.md

@@ -45,6 +45,7 @@ Options:
       --dns-search value                      DNS search domains to use (default [])
       --exec-opt value                        Runtime execution options (default [])
       --exec-root string                      Root directory for execution state files (default "/var/run/docker")
+      --experimental                          Enable experimental features
       --fixed-cidr string                     IPv4 subnet for fixed IPs
       --fixed-cidr-v6 string                  IPv6 subnet for fixed IPs
   -g, --graph string                          Root of the Docker runtime (default "/var/lib/docker")
@@ -1114,6 +1115,7 @@ This is a full example of the allowed configuration options on Linux:
 	"dns-search": [],
 	"exec-opts": [],
 	"exec-root": "",
+	"experimental": false,
 	"storage-driver": "",
 	"storage-opts": [],
 	"labels": [],
@@ -1195,6 +1197,7 @@ This is a full example of the allowed configuration options on Windows:
     "dns-opts": [],
     "dns-search": [],
     "exec-opts": [],
+    "experimental": false,
     "storage-driver": "",
     "storage-opts": [],
     "labels": [],

man/dockerd.8.md

@@ -27,6 +27,7 @@ dockerd - Enable daemon mode
 [**--dns-search**[=*[]*]]
 [**--exec-opt**[=*[]*]]
 [**--exec-root**[=*/var/run/docker*]]
+[**--experimental**[=*false*]]
 [**--fixed-cidr**[=*FIXED-CIDR*]]
 [**--fixed-cidr-v6**[=*FIXED-CIDR-V6*]]
 [**-G**|**--group**[=*docker*]]
@@ -146,6 +147,9 @@ format.
 **--exec-root**=""
   Path to use as the root of the Docker execution state files. Default is `/var/run/docker`.
 
+**--experimental**=""
+  Enable the daemon experimental features.
+
 **--fixed-cidr**=""
   IPv4 subnet for fixed IPs (e.g., 10.20.0.0/16); this subnet must be nested in the bridge subnet (which is defined by \-b or \-\-bip)