Contains 1.2.0 and 1.2.1 changes
https://netaddr.readthedocs.io/en/latest/changes.html#release-1-2-0
https://netaddr.readthedocs.io/en/latest/changes.html#release-1-2-1
Contains 1.2.0 and 1.2.1 changes
https://netaddr.readthedocs.io/en/latest/changes.html#release-1-2-0
https://netaddr.readthedocs.io/en/latest/changes.html#release-1-2-1