Mine

# here is what shows its 108

gid=100(users) groups=16(dialout),33(video),100(users),108(vboxusers)



# here is the information

proc                 /proc                proc       defaults              0 0
sysfs                /sys                 sysfs      noauto                0 0
debugfs              /sys/kernel/debug    debugfs    noauto                0 0
#usbfs                /proc/bus/usb        usbfs      noauto                0 0
devpts               /dev/pts             devpts     mode=0620,gid=5       0 0
usbfs /proc/bus/usb usbfs devgid=108,devmode=664 0 0