root@lp1861941-f:~# dpkg -l systemd|grep systemd
ii systemd 245.4-4ubuntu3.2 amd64 system and service manager
root@lp1861941-f:~# dpkg -l udev|grep udev
ii udev 245.4-4ubuntu3.2 amd64 /dev/ and hotplug management daemon
root@lp1861941-f:~# ls -l /dev/disk/by-uuid/$(ls /dev/bcache/by-uuid/)
lrwxrwxrwx 1 root root 9 Nov 2 17:16 /dev/disk/by-uuid/651c5532-0a15-4d56-acdf-9c8b2bb559f1 -> ../../vdc
root@lp1861941-f:~# dpkg -l systemd|grep systemd
ii systemd 245.4-4ubuntu3.3 amd64 system and service manager
root@lp1861941-f:~# dpkg -l udev|grep udev
ii udev 245.4-4ubuntu3.3 amd64 /dev/ and hotplug management daemon
root@lp1861941-f:~# ls -l /dev/disk/by-uuid/$(ls /dev/bcache/by-uuid/)
ls: cannot access '/dev/disk/by-uuid/651c5532-0a15-4d56-acdf-9c8b2bb559f1': No such file or directory
root@lp1861941-f:~# dpkg -l systemd|grep systemd by-uuid/ $(ls /dev/bcache/ by-uuid/ ) by-uuid/ 651c5532- 0a15-4d56- acdf-9c8b2bb559 f1 -> ../../vdc
ii systemd 245.4-4ubuntu3.2 amd64 system and service manager
root@lp1861941-f:~# dpkg -l udev|grep udev
ii udev 245.4-4ubuntu3.2 amd64 /dev/ and hotplug management daemon
root@lp1861941-f:~# ls -l /dev/disk/
lrwxrwxrwx 1 root root 9 Nov 2 17:16 /dev/disk/
root@lp1861941-f:~# dpkg -l systemd|grep systemd by-uuid/ $(ls /dev/bcache/ by-uuid/ ) by-uuid/ 651c5532- 0a15-4d56- acdf-9c8b2bb559 f1': No such file or directory
ii systemd 245.4-4ubuntu3.3 amd64 system and service manager
root@lp1861941-f:~# dpkg -l udev|grep udev
ii udev 245.4-4ubuntu3.3 amd64 /dev/ and hotplug management daemon
root@lp1861941-f:~# ls -l /dev/disk/
ls: cannot access '/dev/disk/