_doall() {
  local _svc
  for _svc in '/etc/systemd/system/multi-user.target.wants'/lld2d@*.service; do
    if [ -f "${_svc}" ]; then
      echo systemctl "$1" "$(basename "${_svc}")"
      systemctl "$1" "$(basename "${_svc}")"
    fi
  done
}

pre_upgrade() {
  _doall 'stop'
}

post_upgrade() {
  systemctl daemon-reload
  _doall 'start'
}

post_install() {
  post_upgrade
}

pre_remove() {
  _doall 'stop'
}

post_remove() {
  systemctl daemon-reload
}