Как такое возможно?

$ free -m
              total        used        free      shared  buff/cache   available
Mem:           7841        4300        1174         654        2366        2416
Swap:             0           0           0

1|shell@A2016a40:/ $ df
Filesystem               Size     Used     Free   Blksize
/dev                   467.4M    92.0K   467.3M   4096
/sys/fs/cgroup         467.4M    12.0K   467.4M   4096
/mnt                   467.4M     0.0K   467.4M   4096
/system                  2.7G     2.2G   558.1M   4096
/data                    3.8G     3.1G   687.4M   4096
/cache                 410.7M     1.3M   409.4M   4096
/protect_f               5.8M    80.0K     5.8M   4096
/protect_s               5.8M    64.0K     5.8M   4096
/nvdata                 27.5M     2.2M    25.3M   4096
/storage               467.4M     0.0K   467.4M   4096
/mnt/runtime/default/emulated: Permission denied
/storage/emulated        3.8G     3.1G   687.4M   4096
/mnt/runtime/read/emulated: Permission denied
/mnt/runtime/write/emulated: Permission denied
/mnt/media_rw/BFC3-1EED: Permission denied
/mnt/runtime/default/BFC3-1EED: Permission denied
/storage/BFC3-1EED      29.2G     2.4G    26.8G   32768
/mnt/runtime/read/BFC3-1EED: Permission denied
/mnt/runtime/write/BFC3-1EED: Permission denied