Package: xserver-xorg-core
Version: 2:21.1.13-2devuan1
Xorg loses USB device in the user sequence:
1) switch VT away from Xorg,
2) unplug USB device,
3) plug it back in,
4) switch VT back to Xorg.
original report:
https://dev1galaxy.org/viewtopic.php?pid=52656#p52656