can't abort transaction if creation failed

src/capport/utils/nft_socket.py

@@ -91,8 +91,8 @@ class NFTSocket(pyroute2.netlink.nlsocket.NetlinkSocket):
 
     @contextlib.contextmanager
     def begin(self) -> typing.Generator[NFTTransaction, None, None]:
-        try:
         tx = NFTTransaction(socket=self)
+        try:
             yield tx
             # autocommit when no exception was raised
             # (only commits if it wasn't aborted)