diff --git a/cmd_example.ipynb b/cmd_example.ipynb
index 8f63883..fe44caa 100644
--- a/cmd_example.ipynb
+++ b/cmd_example.ipynb
@@ -3,8 +3,8 @@
   {
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-05-13T11:36:01.540670Z",
-     "start_time": "2025-05-13T11:35:46.165848Z"
+     "end_time": "2025-05-13T11:40:48.125519Z",
+     "start_time": "2025-05-13T11:40:32.719269Z"
     }
    },
    "cell_type": "code",
@@ -15,17 +15,17 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:35:49.385] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
-      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:35:52.388] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
-      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:35:55.392] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
-      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:35:58.396] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
-      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:36:01.400] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
-      "\"/home/lambda/source/scarlet/flandre/flandre/BusClient.py:102\" [2025-05-13 19:36:01.400] WARNING - timeout\r\n",
-      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:83\" [2025-05-13 19:36:01.400] ERROR - Device msg: timeout\r\n"
+      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:40:35.965] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
+      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:40:38.968] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
+      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:40:41.971] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
+      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:40:44.974] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
+      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:67\" [2025-05-13 19:40:47.977] WARNING - retry DeviceCmd.SetConnectionOn\r\n",
+      "\"/home/lambda/source/scarlet/flandre/flandre/BusClient.py:102\" [2025-05-13 19:40:47.978] WARNING - timeout\r\n",
+      "\"/home/lambda/source/scarlet/flandre/flandre/nodes/Device.py:83\" [2025-05-13 19:40:47.978] ERROR - Device msg: timeout\r\n"
      ]
     }
    ],
-   "execution_count": 20
+   "execution_count": 25
   },
   {
    "metadata": {
@@ -43,15 +43,15 @@
   {
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-05-13T11:36:06.566925Z",
-     "start_time": "2025-05-13T11:36:04.775985Z"
+     "end_time": "2025-05-13T11:40:49.715961Z",
+     "start_time": "2025-05-13T11:40:48.691066Z"
     }
    },
    "cell_type": "code",
    "source": "!flandre device enable",
    "id": "ab586d49c1b1ba92",
    "outputs": [],
-   "execution_count": 22
+   "execution_count": 26
   },
   {
    "metadata": {
diff --git a/flandre/launcher.py b/flandre/launcher.py
index 4a78ee6..f557d5e 100644
--- a/flandre/launcher.py
+++ b/flandre/launcher.py
@@ -227,7 +227,7 @@ def device_upload():
         b = pull.recv()
         _, sequence_id, ts, encoder = b2t(b)
         # print(b.__len__())
-        print(ts - last_ts)
+        print(ts, ts - last_ts)
         last_ts = ts