Cannot stat file /proc/2853/fd/31: Stale NFS file handle
Cannot stat file /proc/2853/fd/36: Stale NFS file handle
Cannot stat file /proc/3209/fd/21: Stale NFS file handle
Cannot stat file /proc/3209/fd/22: Stale NFS file handle
Cannot stat file /proc/3213/fd/21: Stale NFS file handle
Cannot stat file /proc/3213/fd/22: Stale NFS file handle
                     USER        PID ACCESS COMMAND
/dev/snd/controlC1:  ubuntu     2831 F.... pulseaudio
/dev/snd/controlC0:  ubuntu     2831 F.... pulseaudio