/usr/share/openmsx/machines/msx2.xml is in openmsx-data 0.10.0-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/openmsx/machines/Philips_NMS_8250.xml
/usr/share/openmsx/machines/Philips_NMS_8250.xml