Hello, it seems to me that this should not be happening. Use case is not as pathological as it may seem: your program may be using different third party modules, each of them instantiate `Nftables` interface. $ sudo python [sudo] password for echerkashin: Python 3.9.7 (default, Sep 3 2021, 06:18:44) [GCC 11.2.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> from nftables import Nftables >>> n1=Nftables() >>> n2=Nftables() >>> <Ctrl-D> double free or corruption (top) Aborted Note that it happens on exit (possibly on the second call to __del__()). nftables v0.9.9 Regards, Eugene
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