diff --git a/can/__init__.py b/can/__init__.py
index 46a461b38..7c6266f79 100644
--- a/can/__init__.py
+++ b/can/__init__.py
@@ -8,7 +8,7 @@
 import logging
 from typing import Any, Dict
 
-__version__ = "4.2.2"
+__version__ = "4.2.2.99"
 __all__ = [
     "ASCReader",
     "ASCWriter",
diff --git a/can/bus.py b/can/bus.py
index 555389b0f..b077308f1 100644
--- a/can/bus.py
+++ b/can/bus.py
@@ -95,6 +95,8 @@ def __init__(
         :raises ~can.exceptions.CanInitializationError:
             If the bus cannot be initialized
         """
+        LOG.setLevel(logging.DEBUG)
+
         self._periodic_tasks: List[_SelfRemovingCyclicTask] = []
         self.set_filters(can_filters)
 
@@ -460,9 +462,12 @@ def shutdown(self) -> None:
         if self._is_shutdown:
             LOG.debug("%s is already shut down", self.__class__)
             return
+        else:
+            LOG.warning("%s shutdown needed", self.__class__)
 
         self._is_shutdown = True
         self.stop_all_periodic_tasks()
+        LOG.warning("Is shutdown = %s", self._is_shutdown)
 
     def __enter__(self) -> Self:
         return self
@@ -476,8 +481,9 @@ def __exit__(
         self.shutdown()
 
     def __del__(self) -> None:
+        LOG.warning("Is shutdown = %s", self._is_shutdown)
         if not self._is_shutdown:
-            LOG.warning("%s was not properly shut down", self.__class__.__name__)
+            LOG.info("%s was not properly shut down", self.__class__.__name__)
             # We do some best-effort cleanup if the user
             # forgot to properly close the bus instance
             with contextlib.suppress(AttributeError):
diff --git a/can/interfaces/socketcan/socketcan.py b/can/interfaces/socketcan/socketcan.py
index 377fe6478..aff04b43c 100644
--- a/can/interfaces/socketcan/socketcan.py
+++ b/can/interfaces/socketcan/socketcan.py
@@ -723,7 +723,7 @@ def shutdown(self) -> None:
         for channel, bcm_socket in self._bcm_sockets.items():
             log.debug("Closing bcm socket for channel %s", channel)
             bcm_socket.close()
-        log.debug("Closing raw can socket")
+        log.warning("Closing raw can socket")
         self.socket.close()
 
     def _recv_internal(
@@ -916,7 +916,7 @@ def receiver(event: threading.Event) -> None:
         bind_socket(receiver_socket, "vcan0")
         print("Receiver is waiting for a message...")
         event.set()
-        print(f"Receiver got: {capture_message(receiver_socket)}")
+        # print(f"Receiver got: {capture_message(receiver_socket)}")
 
     def sender(event: threading.Event) -> None:
         event.wait()