usbmon: usbmon (allows monitoring of raw USB traffic) usbmon: usbmon: The usbmon(8) utility is a user interface to its namesake "usbmon", usbmon: a facility in Linux kernel. It allows monitoring of raw USB traffic usbmon: in a manner similar to the way tcpdump monitors network traffic. usbmon: usbmon: usbmon: usbmon: usbmon: usbmon: