/usr/share/livecd-rootfs/live-build/ubuntu-server/includes.chroot/etc/systemd/system/network-online.target.wants/systemd-networkd-wait-online.service is in livecd-rootfs 2.525.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/systemd/system/systemd-networkd-wait-online.service