overlay-lakitu/chromeos-base/cloud-filesystem-init/files/mount-etc-overlay.service

[Unit]
Description=Mount /etc overlay
DefaultDependencies=no
Requires=tmp.mount
After=syslog.target tmp.mount
Before=local-fs.target

[Service]
Type=oneshot
ExecStart=/usr/share/cloud/mount-etc-overlay

[Install]
WantedBy=local-fs.target