fuse: use debug level instead of error when returning ENOENT

Closes T2723.

swh/fuse/fuse.py

@@ -189,7 +189,7 @@ class Fuse(pyfuse3.Operations):
                 next_id += 1
                 self._inode2entry[attrs.st_ino] = entry
         except Exception as err:
-            logging.error(f"Cannot readdir: {err}")
+            logging.debug(f"Cannot readdir: {err}")
             raise pyfuse3.FUSEError(errno.ENOENT)
 
     async def open(
@@ -212,7 +212,7 @@ class Fuse(pyfuse3.Operations):
             data = await entry.get_content()
             return data[offset : offset + length]
         except Exception as err:
-            logging.error(f"Cannot read: {err}")
+            logging.debug(f"Cannot read: {err}")
             raise pyfuse3.FUSEError(errno.ENOENT)
 
     async def lookup(
@@ -230,7 +230,7 @@ class Fuse(pyfuse3.Operations):
             else:
                 raise ValueError(f"unknown name: {name}")
         except Exception as err:
-            logging.error(f"Cannot lookup: {err}")
+            logging.debug(f"Cannot lookup: {err}")
             raise pyfuse3.FUSEError(errno.ENOENT)
 
     async def readlink(self, inode: int, _ctx: pyfuse3.RequestContext) -> bytes: