Cannot stat file /proc/4535/fd/41: Stale NFS file handle
Cannot stat file /proc/4535/fd/42: Stale NFS file handle
Cannot stat file /proc/4705/fd/12: Stale NFS file handle
Cannot stat file /proc/4705/fd/13: Stale NFS file handle
Cannot stat file /proc/4889/fd/13: Stale NFS file handle
                     USER        PID ACCESS COMMAND
/dev/snd/controlC0:  ubuntu     4512 F.... pulseaudio