Add support of --experimental flag

main.go

@@ -75,6 +75,11 @@ func main() {
 			Usage:  "docker daemon IPv6 networking",
 			EnvVar: "PLUGIN_IPV6",
 		},
+		cli.BoolFlag{
+			Name:   "daemon.experimental",
+			Usage:  "docker daemon Experimental mode",
+			EnvVar: "PLUGIN_EXPERIMENTAL",
+		},
 		cli.BoolFlag{
 			Name:   "daemon.debug",
 			Usage:  "docker daemon executes in debug mode",
@@ -170,6 +175,7 @@ func run(c *cli.Context) error {
 			Bip:           c.String("daemon.bip"),
 			DNS:           c.StringSlice("daemon.dns"),
 			MTU:           c.String("daemon.mtu"),
+			Experimental:  c.Bool("daemon.experimental"),
 		},
 	}
 

plugin.go

@@ -28,6 +28,7 @@ type (
 		DNS           []string // Docker daemon dns server
 		MTU           string   // Docker daemon mtu setting
 		IPv6          bool     // Docker daemon IPv6 networking
+		Experimental  bool     // Docker daemon enable experimental mode
 	}
 
 	// Login defines Docker login parameters.
@@ -276,6 +277,9 @@ func commandDaemon(daemon Daemon) *exec.Cmd {
 	if len(daemon.MTU) != 0 {
 		args = append(args, "--mtu", daemon.MTU)
 	}
+	if daemon.Experimental {
+		args = append(args, "--experimental")
+	}
 	return exec.Command(dockerExe, args...)
 }