Cannot stat file /proc/4793/fd/40: Stale NFS file handle
Cannot stat file /proc/4793/fd/41: Stale NFS file handle
Cannot stat file /proc/4879/fd/12: Stale NFS file handle
Cannot stat file /proc/4879/fd/13: Stale NFS file handle
                     USER        PID ACCESS COMMAND
/dev/snd/controlC0:  ubuntu     3037 F.... pulseaudio