/usr/lib/uml/modules/3.2.2/modules.softdep is in user-mode-linux 3.2.0-1um-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # Soft dependencies extracted from modules themselves.
# Copy, with a .conf extension, to /etc/modprobe.d to use it with modprobe.
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