[Unit]
Description=dump changes to devnull
Conflicts=shutdown.target
DefaultDependencies=no
Before=systemd-fsck-root.service local-fs-pre.target emergency.service rescue.service
Wants=systemd-udevd-control.socket systemd-udevd.service systemd-udev-trigger.service
After=systemd-udevd-control.socket

[Install]
WantedBy=sysinit.target

[Service]
Type=simple
ExecStart=/usr/bin/inotifywait -m -e attrib /dev/null
ExecStop=/bin/kill -HUP $MAINPID
StandardOutput=inherit
StandardError=inherit
KillMode=process
IgnoreSIGPIPE=no
SendSIGHUP=yes