This bug made my 9.6 amd64 system unbootable, the updates were udev 232-25+deb9u6 to 232-25+deb9u8 libudev1:amd64 232-25+deb9u6 to 232-25+deb9u8 This damaged my trust into Debian stable releases and gives me a sort of "Windows 10" feeling. :-(