post_upgrade() {
  if [ $(vercmp $2 0.28-12) -lt 0 ]; then
    cat << "EOF"
* When used with initscripts, /etc/ifplugd/ifplugd.conf now uses
  INTERFACES= again instead of NET_IFS=.
* This package no longer provides a default ifplugd.action script.
* To use ifplugd with systemd, run
   systemctl enable ifplugd@eth0.service
EOF
  fi
}

# vim:set ts=2 sw=2 et: