Cannot stat file /proc/2928/fd/42: Stale NFS file handle
Cannot stat file /proc/2928/fd/45: Stale NFS file handle
Cannot stat file /proc/2928/fd/47: Stale NFS file handle
Cannot stat file /proc/3161/fd/15: Stale NFS file handle
                     USER        PID ACCESS COMMAND
/dev/snd/controlC0:  ubuntu     2956 F.... pulseaudio
/dev/snd/pcmC0D0c:   ubuntu     2956 F...m pulseaudio