Hi, http://wiki.debian.org/DpkgConffileHandling: - if dpkg --compare-versions "$2" le "$LASTVERSION"; then + if [ -n "$2" ] && dpkg --compare-versions "$2" le "$LASTVERSION"; then
It is related to https://launchpadlibrarian.net/73227673/ifenslave-2.6_1.1.0-15ubuntu2_1.1.0-15ubuntu2.10.10.1.diff.gz https://bugs.launchpad.net/ubuntu/+source/ifenslave-2.6/+bug/482419 -- Best regards, Koldaev Anton
