Cannot stat file /proc/4589/fd/37: Stale NFS file handle
Cannot stat file /proc/4589/fd/41: Stale NFS file handle
Cannot stat file /proc/4754/fd/10: Stale NFS file handle
Cannot stat file /proc/4754/fd/12: Stale NFS file handle
Cannot stat file /proc/4754/fd/13: Stale NFS file handle
Cannot stat file /proc/4998/fd/13: Stale NFS file handle
                     USER        PID ACCESS COMMAND
/dev/snd/controlC0:  ubuntu     4566 F.... pulseaudio