where is lxc conetainer FS - ubuntu

┌─[ubuntu]─[/var/cache/lxc/xenial/rootfs-amd64]
└──╼ pwd
/var/cache/lxc/xenial/rootfs-amd64

┌─[ubuntu]─[/var/cache/lxc/xenial/rootfs-amd64]
└──╼ ll
razem 76
drwxr-xr-x  2 root root 4096 lut  5 10:48 sys
drwxr-xr-x  2 root root 4096 kwi 12 22:14 proc
drwxr-xr-x  2 root root 4096 kwi 12 22:14 home
drwxr-xr-x  2 root root 4096 kwi 12 22:14 boot
drwx------  2 root root 4096 maj 17 21:01 root
drwxr-xr-x  2 root root 4096 maj 17 21:01 mnt
drwxr-xr-x  2 root root 4096 maj 17 21:01 srv
drwxr-xr-x  2 root root 4096 maj 17 21:01 opt
drwxr-xr-x  2 root root 4096 maj 17 21:01 media
drwxr-xr-x 11 root root 4096 maj 17 21:01 var
drwxr-xr-x 10 root root 4096 maj 17 21:01 usr
drwxr-xr-x  2 root root 4096 maj 17 21:01 lib64
drwxr-xr-x  4 root root 4096 maj 17 21:02 dev
drwxr-xr-x 11 root root 4096 maj 17 21:02 lib
drwxrwxrwt  2 root root 4096 maj 17 21:03 tmp
drwxr-xr-x  7 root root 4096 maj 17 21:03 run
drwxr-xr-x  2 root root 4096 maj 17 21:03 bin
drwxr-xr-x  2 root root 4096 maj 17 21:03 sbin
drwxr-xr-x 66 root root 4096 maj 17 21:03 etc