Syslog is spammed by nvidia logging

my environment is below
1, ubuntu20.04
2, nvidia driver version : 535.183.01

/var/log/syslog is getting larger and larger (>20G)as some program writes logs into this file,
how to solve this issue?

hitbuyi@hitbuyi-Dell-G15-5511:/etc/rsyslog.d$ tail /var/log/syslog
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0): DFP-4: 165.0 MHz maximum pixel clock
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0):
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0): AU Optronics Corporation (DFP-5): connected
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0): AU Optronics Corporation (DFP-5): Internal DisplayPort
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0): AU Optronics Corporation (DFP-5): 2670.0 MHz maximum pixel clock
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0):
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0): DFP-0: disconnected
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0): DFP-0: Internal DisplayPort
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0): DFP-0: 2670.0 MHz maximum pixel clock
Jul 24 17:47:19 hitbuyi-Dell-G15-5511 /usr/lib/gdm3/gdm-x-session[3353]: (--) NVIDIA(GPU-0):