compat api: always turn on network isolation for networks

Fix some network option parsing logic to use constants.
Always use the isolate option since this is what docker does.
Remove the icc option, this is different from isolate and it is not
implemented.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

pkg/api/handlers/compat/networks.go

@@ -193,27 +193,22 @@ func CreateNetwork(w http.ResponseWriter, r *http.Request) {
 
 	network.Options = make(map[string]string)
 
-	// TODO: we should consider making this constants in c/common/libnetwork/types
+	// dockers bridge networks are always isolated from each other
+	if network.Driver == nettypes.BridgeNetworkDriver {
+		network.Options[nettypes.IsolateOption] = "true"
+	}
+
 	for opt, optVal := range networkCreate.Options {
 		switch opt {
-		case "mtu":
+		case nettypes.MTUOption:
 			fallthrough
 		case "com.docker.network.driver.mtu":
-			if network.Driver == nettypes.BridgeNetworkDriver {
-				network.Options["mtu"] = optVal
-			}
-		case "icc":
-			fallthrough
-		case "com.docker.network.bridge.enable_icc":
-			// TODO: needs to be implemented
-			if network.Driver == nettypes.BridgeNetworkDriver {
-				responseWarning = "com.docker.network.bridge.enable_icc is not currently implemented"
-			}
+			network.Options[nettypes.MTUOption] = optVal
 		case "com.docker.network.bridge.name":
 			if network.Driver == nettypes.BridgeNetworkDriver {
 				network.NetworkInterface = optVal
 			}
-		case "mode":
+		case nettypes.ModeOption:
 			if network.Driver == nettypes.MacVLANNetworkDriver || network.Driver == nettypes.IPVLANNetworkDriver {
 				network.Options[opt] = optVal
 			}