Comment 24 for bug 1868892

focal:

ubuntu@lp1868892-f:~$ dpkg -l systemd|grep systemd
ii systemd 245.4-4ubuntu3 amd64 system and service manager
ubuntu@lp1868892-f:~$ sudo touch /etc/systemd/network/lp1868892.link
ubuntu@lp1868892-f:~$ sudo update-initramfs -u
update-initramfs: Generating /boot/initrd.img-5.4.0-29-generic
ubuntu@lp1868892-f:~$ sudo lsinitramfs /boot/initrd.img-5.4.0-29-generic | grep lp1868892
usr/lib/systemd/network/lp1868892.link
ubuntu@lp1868892-f:~$ sudo mv /etc/systemd/network /etc/systemd/network.abc
ubuntu@lp1868892-f:~$ sudo ln -s network.abc /etc/systemd/network
ubuntu@lp1868892-f:~$ sudo update-initramfs -u
update-initramfs: Generating /boot/initrd.img-5.4.0-29-generic
ubuntu@lp1868892-f:~$ sudo lsinitramfs /boot/initrd.img-5.4.0-29-generic | grep lp1868892
ubuntu@lp1868892-f:~$

ubuntu@lp1868892-f:~$ sudo rm /etc/systemd/network
ubuntu@lp1868892-f:~$ sudo mv /etc/systemd/network.abc /etc/systemd/network
ubuntu@lp1868892-f:~$ sudo update-initramfs -u
update-initramfs: Generating /boot/initrd.img-5.4.0-31-generic
ubuntu@lp1868892-f:~$ sudo lsinitramfs /boot/initrd.img-5.4.0-31-generic | grep lp1868892
usr/lib/systemd/network/lp1868892.link

ubuntu@lp1868892-f:~$ dpkg -l systemd|grep systemd
ii systemd 245.4-4ubuntu3.1 amd64 system and service manager
ubuntu@lp1868892-f:~$ sudo touch /etc/systemd/network/lp1868892.link
ubuntu@lp1868892-f:~$ sudo update-initramfs -u
update-initramfs: Generating /boot/initrd.img-5.4.0-31-generic
ubuntu@lp1868892-f:~$ sudo lsinitramfs /boot/initrd.img-5.4.0-31-generic | grep lp1868892
usr/lib/systemd/network/lp1868892.link
ubuntu@lp1868892-f:~$ sudo mv /etc/systemd/network /etc/systemd/network.abc
ubuntu@lp1868892-f:~$ sudo ln -s network.abc /etc/systemd/network
ubuntu@lp1868892-f:~$ sudo update-initramfs -u
update-initramfs: Generating /boot/initrd.img-5.4.0-31-generic
ubuntu@lp1868892-f:~$ sudo lsinitramfs /boot/initrd.img-5.4.0-31-generic | grep lp1868892
usr/lib/systemd/network/lp1868892.link