Cannot stat file /proc/4745/fd/21: Stale NFS file handle
Cannot stat file /proc/4745/fd/22: Stale NFS file handle
Cannot stat file /proc/4796/fd/10: Stale NFS file handle
Cannot stat file /proc/4796/fd/12: Stale NFS file handle
Cannot stat file /proc/4796/fd/13: Stale NFS file handle
Cannot stat file /proc/6478/fd/35: Stale NFS file handle
                     USER        PID ACCESS COMMAND
/dev/snd/controlC0:  ubuntu     4743 F.... pulseaudio