Finally the command gave this output
~$ journalctl | grep sr0 | tail
Feb 12 19:03:06 my_PC kernel: sr 4:0:0:0: [sr0] scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
Feb 12 19:03:06 my_PC kernel: sr 4:0:0:0: Attached scsi CD-ROM sr0
Feb 12 19:07:21 my_PC kernel: sr 4:0:0:0: [sr0] scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
Feb 12 19:07:21 my_PC kernel: sr 4:0:0:0: Attached scsi CD-ROM sr0
Feb 12 19:48:03 my_PC kernel: sr 4:0:0:0: [sr0] scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
Feb 12 19:48:03 my_PC kernel: sr 4:0:0:0: Attached scsi CD-ROM sr0
Feb 12 21:00:20 my_PC udisksd[978]: Mounted /dev/sr0 at /media/my_PC/Ubuntu 18.04.3 LTS amd64 on behalf of uid 1000
Feb 12 21:02:28 my_PC kernel: sr 4:0:0:0: [sr0] scsi3-mmc drive: 62x/62x writer dvd-ram cd/rw xa/form2 cdda tray
Feb 12 21:02:28 my_PC kernel: sr 4:0:0:0: Attached scsi CD-ROM sr0
Feb 12 21:03:41 my_PC udisksd[998]: Mounted /dev/sr0 at /media/my_PC/Ubuntu 18.04.3 LTS amd64 on behalf of uid 1000