Install libnetfilter-queue1-dbg by entering the following commands in the terminal:
sudo apt update sudo apt install libnetfilter-queue1-dbg
Debugging symbols for libnetfilter-queue1
libnetfilter_queue is a userspace library providing an API to packets that have been queued by the kernel packet filter. It is part of a system that deprecates the old ip_queue / libipq mechanism. . This package provides the debugging symbols.