Install libntrack0 by entering the following commands in the terminal:
sudo apt update sudo apt install libntrack0
lightweight connectivity tracking library
ntrack aims to be a lightweight and easy to use library for application developers that want to get events on network online status changes such as online, offline or route changes. . The primary goal is to serve desktop applications in a network manager and desktop environment independent fashion. Also its supposed to be lightweight, resource un-intensive and extensible. . ntrack currently comes with bindings for glib, GObject, qt4 and python-gobject.