ifupdown2 is a alternate implementation of debian's network interface manager ifupdown.
ifupdown2 provides the required infrastructure to parse, schedule and manage interface configuration. Also provides default python addon modules for network interface configuration.
Note: Previously ifupdown2 came as two packages: python-ifupdown2 and python-ifupdown2-addons. python-ifupdown2-addons contents are now merged into python-ifupdown2 package (python-ifupdown2-addons package is hence deprecated).