I am using https://github.com/ansibleguy/python3-nftables which I believe is a copy of http://git.netfilter.org/nftables/tree/py/nftables.py?id=e760d200a4b9cd31928b68a1f2f882157344351e . I use this python wrapper to add and delete rules to nftables using json. Are these operations thread safe?