diff --git a/platform/panduza_platform/core/platform.py b/platform/panduza_platform/core/platform.py
index bb7b6b4..c2ab918 100644
--- a/platform/panduza_platform/core/platform.py
+++ b/platform/panduza_platform/core/platform.py
@@ -170,15 +170,22 @@ async def mount_device(self, client_name, group_name, device_cfg, keep_mounted =
     # ---
 
     async def unmount_device(self, device):
+        self.log.info(f"Unmount device {device}")
         await device.unmount_interfaces()
         self.devices.remove(device)
 
     # ---
 
     async def unmount_all_devices(self, force=False):
+        self.log.warning(self.devices)
         for device in self.devices:
+            print("PAFF ")
             if force or (not device.keep_mounted):
+                print("!!!!!!!!!!! ", device)
                 await self.unmount_device(device)
+            else:
+                print("??????????? NOOO ", device)
+        print("ENNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNND")
 
     # ---
 
diff --git a/platform/panduza_platform/devices/panduza/fake_webcam/itf_fake_video_stream.py b/platform/panduza_platform/devices/panduza/fake_webcam/itf_fake_video_stream.py
index 0d6f9de..1d5f2c4 100644
--- a/platform/panduza_platform/devices/panduza/fake_webcam/itf_fake_video_stream.py
+++ b/platform/panduza_platform/devices/panduza/fake_webcam/itf_fake_video_stream.py
@@ -1,3 +1,4 @@
+import signal
 import asyncio
 import subprocess
 
@@ -27,30 +28,23 @@ async def _PZA_DRV_loop_init(self):
 
         # docker run -d -p 1935:1935 -p 8080:8080 alqutami/rtmp-hls:latest-alpine
 
-        
-        # ffmpeg -re \
-        #  \
-        # -i TearsOfSteel.mp4 \
-        # -c:v copy  \
-        # -r 24 -g 24 \
-        # -preset superfast \
-        # -tune zerolatency \
-        # -f flv rtmp://127.0.0.1:1935/live/test
+
 
 
         # test video
-        # ffmpeg -f lavfi -i testsrc=duration=120:size=1280x720:rate=30 testsrc.mp4
+        # ffmpeg -f lavfi -i testsrc=duration=120:size=1280x720:rate=30 /etc/panduza/data/video_test.mp4
 
         ffmpeg_command = [
             'ffmpeg', '-re', '-stream_loop', '-1',
-            '-i', '/etc/panduza/data/video_test.mpg',
-            '-c:v' , 'copy',
-            '-r', '24', '-g', '24',
+            '-i', '/etc/panduza/data/video_test.mp4',
             '-preset', 'superfast',
             '-tune', 'zerolatency',
+            '-vcodec', 'libx264',
             '-f', 'flv', 'rtmp://127.0.0.1:1935/live/test'
         ]
 
+        # ffplay -fflags nobuffer -flags low_delay -probesize 20000 -analyzeduration 1 -strict experimental -framedrop -f flv rtmp://127.0.0.1:1935/live/test
+
         ffmpeg_cmd_string = ''
         for part in ffmpeg_command:
             ffmpeg_cmd_string += f"{part} "
@@ -106,13 +100,17 @@ async def _PZA_DRV_loop_init(self):
     #         if att in cmds:
     #             await self.__cmd_handlers[att](cmds[att])
 
-#    # ---
+   # ---
     
-#     async def _PZA_DRV_dying_gasp(self):
-#         # [REQ_ITF_PLATFORM_0020_00] - Info 'dying_gasp' field
-#         await self._update_attribute("info", "dying_gasp", True)
+    async def _PZA_DRV_dying_gasp(self):
+        """Kill running process when interface down
+        """
+        self.log.info("Stop ffmpeg stream")
+        self.process.send_signal(signal.SIGTERM)
+
+    # ---
+
 
-#     # ---
 
 #     async def __refresh_platform_data_task(self):
 #         """Refresh important data count