use SSHClient.set_log_channel

dvc/remote/ssh/connection.py

@@ -9,8 +9,6 @@
 
 try:
     import paramiko
-
-    logging.getLogger("paramiko.transport").disabled = True
 except ImportError:
     paramiko = None
 
@@ -43,6 +41,14 @@ def __init__(self, host, *args, **kwargs):
         self.timeout = kwargs.get("timeout", 1800)
 
         self._ssh = paramiko.SSHClient()
+
+        # Explicitly disable paramiko logger. Due to how paramiko dynamically
+        # loads loggers, it is not disabled by DVC disable_other_loggers().
+        # See https://github.com/iterative/dvc/issues/3482
+        self._ssh.set_log_channel("dvc.paramiko")
+        logging.getLogger("dvc.paramiko").disabled = True
+        logging.getLogger("dvc.paramiko.sftp").disabled = True
+
         self._ssh.load_system_host_keys()
         self._ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())