[ Javier Fernández-Sanguino Peña ] * if-up-scripts/check-duplicate-ip: - Do not pass aliased interface information to arping since it cannot handle it properly (Closes: #644891) * Handle the configuration file through the use of dpkg-maintscript-helper instead of moving it directly to prevent dpkg from raising a conffile change prompt on upgrades even if the user has not made any changes.