This is the output
`du: cannot read directory '/lost+found': Permission denied
du: cannot read directory '/dev/.lxc/sys/kernel': Permission denied
du: cannot read directory '/dev/.lxc/sys/power': Permission denied
du: cannot read directory '/dev/.lxc/sys/class': Permission denied
du: cannot read directory '/dev/.lxc/sys/devices': Permission denied
du: cannot read directory '/dev/.lxc/sys/dev': Permission denied
du: cannot read directory '/dev/.lxc/sys/hypervisor': Permission denied
du: cannot read directory '/dev/.lxc/sys/fs': Permission denied
du: cannot read directory '/dev/.lxc/sys/bus': Permission denied
du: cannot read directory '/dev/.lxc/sys/firmware': Permission denied
du: cannot read directory '/dev/.lxc/sys/block': Permission denied
du: cannot read directory '/dev/.lxc/sys/module': Permission denied
du: cannot read directory '/dev/.lxc/proc/fs': Permission denied
du: cannot read directory '/dev/.lxc/proc/bus': Permission denied
du: cannot read directory '/dev/.lxc/proc/irq': Permission denied
du: cannot read directory '/dev/.lxc/proc/spl': Permission denied
du: cannot read directory '/dev/.lxc/proc/sys': Permission denied
du: cannot read directory '/dev/.lxc/proc/tty': Permission denied
du: cannot read directory '/dev/.lxc/proc/acpi': Permission denied
du: cannot read directory '/dev/.lxc/proc/scsi': Permission denied
du: cannot read directory '/dev/.lxc/proc/asound': Permission denied
du: cannot read directory '/dev/.lxc/proc/driver': Permission denied
du: cannot read directory '/dev/.lxc/proc/sysvipc': Permission denied
du: cannot read directory '/dev/.lxc/proc/pressure': Permission denied
du: cannot read directory '/dev/.lxc/proc/dynamic_debug': Permission denied
du: cannot read directory '/dev/.lxc/proc/1': Permission denied
du: cannot read directory '/dev/.lxc/proc/49': Permission denied
du: cannot read directory '/dev/.lxc/proc/96': Permission denied
du: cannot read directory '/dev/.lxc/proc/102': Permission denied
du: cannot read directory '/dev/.lxc/proc/103': Permission denied
du: cannot read directory '/dev/.lxc/proc/104': Permission denied
du: cannot read directory '/dev/.lxc/proc/105': Permission denied
du: cannot read directory '/dev/.lxc/proc/110': Permission denied
du: cannot read directory '/dev/.lxc/proc/111': Permission denied
du: cannot read directory '/dev/.lxc/proc/114': Permission denied
du: cannot read directory '/dev/.lxc/proc/146': Permission denied
du: cannot read directory '/dev/.lxc/proc/147': Permission denied
du: cannot read directory '/dev/.lxc/proc/148': Permission denied
du: cannot read directory '/dev/.lxc/proc/154': Permission denied
du: cannot read directory '/dev/.lxc/proc/263': Permission denied
du: cannot read directory '/dev/.lxc/proc/265': Permission denied
du: cannot read directory '/dev/.lxc/proc/272': Permission denied
du: cannot read directory '/dev/.lxc/proc/275': Permission denied
du: cannot read directory '/dev/.lxc/proc/319': Permission denied
du: cannot read directory '/dev/.lxc/proc/320': Permission denied
du: cannot read directory '/dev/.lxc/proc/321': Permission denied
du: cannot read directory '/dev/.lxc/proc/322': Permission denied
du: cannot read directory '/dev/.lxc/proc/323': Permission denied
du: cannot read directory '/dev/.lxc/proc/324': Permission denied
du: cannot read directory '/dev/.lxc/proc/325': Permission denied
du: cannot read directory '/dev/.lxc/proc/326': Permission denied
du: cannot read directory '/dev/.lxc/proc/450': Permission denied
du: cannot read directory '/dev/.lxc/proc/451': Permission denied
du: cannot read directory '/dev/.lxc/proc/452': Permission denied
du: cannot read directory '/dev/.lxc/proc/617': Permission denied
du: cannot read directory '/dev/.lxc/proc/5798': Permission denied
du: cannot read directory '/dev/.lxc/proc/5799': Permission denied
du: cannot read directory '/dev/.lxc/proc/5800': Permission denied
du: cannot read directory '/dev/.lxc/proc/5801': Permission denied
du: cannot read directory '/sys/kernel/debug': Permission denied
du: cannot read directory '/sys/fs/pstore': Permission denied
du: cannot read directory '/sys/fs/fuse/connections/42': Permission denied
du: cannot read directory '/sys/fs/fuse/connections/39': Permission denied
du: cannot read directory '/proc/tty/driver': Permission denied
du: cannot read directory '/proc/acpi/button': Permission denied
du: cannot access '/proc/5801/task/5801/fd/3': No such file or directory
du: cannot access '/proc/5801/task/5801/fdinfo/3': No such file or directory
du: cannot access '/proc/5801/fd/4': No such file or directory
du: cannot access '/proc/5801/fdinfo/4': No such file or directory
1012K /usr/share/perl/5.30.0/CPAN
1012K /usr/lib/python3/dist-packages/DistUpgrade
1008K /lib/systemd/system
996K /usr/lib/x86_64-linux-gnu/perl-base/auto
972K /usr/share/locale/uk
968K /usr/share/locale/uk/LC_MESSAGES
960K /usr/share/locale/fr
960K /usr/share/locale/de
956K /usr/share/locale/fr/LC_MESSAGES
956K /usr/share/locale/de/LC_MESSAGES