* Move configuration file /etc/NetworkManager/nm-system-settings.conf to /etc/NetworkManager/NetworkManager.conf. Update maintainer scripts to move the conffile without triggering a dpkg prompt. * debian/network-manager.postrm - Don't fail on purge if /var/lib/NetworkManager directory does not exist. (Closes: #591861) * debian/patches/10-dont_require_ifup_for_lo.patch - Don't require ifup for enabling the loopback interface but use it if installed. Patch cherry-picked from upstream Git. * debian/control - Drop dependency on ifupdown as we have a fallback now for enabling the loopback interface. (Closes: #580309)