I have consecutive log messages:
usb-storage 2-1.5:1.0: USB Mass Storage device detected
usb-storage 2-1.5:1.0: Quirks match for vid 05e3 pid 0723: 8000
scsi host25: usb-storage 2-1.5:1.0
usb 2-1.5: USB disconnect, device number 49
usb 2-1.5: new high-speed USB device number 50 using ehci-pci
usb 2-1.5: new high-speed USB device number 53 using ehci-pci
usb 2-1.5: new high-speed USB device number 54 using ehci-pci
usb 2-1.5: new high-speed USB device number 57 using ehci-pci
usb 2-1.5: New USB device found, idVendor=05e3, idProduct=0723
usb 2-1.5: New USB device strings: Mfr=3, Product=4, SerialNumber=2
usb 2-1.5: Product: USB Storage
usb 2-1.5: Manufacturer: Generic
usb 2-1.5: SerialNumber: 000000009451
usb-storage 2-1.5:1.0: USB Mass Storage device detected
usb-storage 2-1.5:1.0: Quirks match for vid 05e3 pid 0723: 8000
scsi host26: usb-storage 2-1.5:1.0
scsi 26:0:0:0: Direct-Access Generic STORAGE DEVICE 9451 PQ: 0 ANSI: 0
sd 26:0:0:0: Attached scsi generic sg2 type 0
sd 26:0:0:0: [sdc] Attached SCSI removable disk
usb 2-1.5: USB disconnect, device number 57
usb 2-1.5: new high-speed USB device number 58 using ehci-pci
usb 2-1.5: New USB device found, idVendor=05e3, idProduct=0723
usb 2-1.5: New USB device strings: Mfr=3, Product=4, SerialNumber=2
usb 2-1.5: Product: USB Storage
usb 2-1.5: Manufacturer: Generic
usb 2-1.5: SerialNumber: 000000009451
usb-storage 2-1.5:1.0: USB Mass Storage device detected
usb-storage 2-1.5:1.0: Quirks match for vid 05e3 pid 0723: 8000
scsi host27: usb-storage 2-1.5:1.0
scsi 27:0:0:0: Direct-Access Generic STORAGE DEVICE 9451 PQ: 0 ANSI: 0
sd 27:0:0:0: Attached scsi generic sg2 type 0
sd 27:0:0:0: [sdc] Attached SCSI removable disk
This disturb me because of sound of plugged/unplugged device, even when sound is muted (I setup 0% volume, and the sound icon in taskbar is grayed)
How to prevent this?