/usr/share/doc/libwayland-egl1-mesa-lts-utopic/changelog.Debian.gz is in libwayland-egl1-mesa-lts-utopic 10.3.2-0ubuntu1~trusty2.
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It is a symlink to /usr/share/doc/libwayland-egl1-mesa-lts-utopic/../libgl1-mesa-dri-lts-utopic/changelog.Debian.gz