>>> Installing (1 of 1) dev-java/oracle-jdk-bin-1.8.0.45::gentoo
 * Updating desktop mime database ...
 * Updating desktop mime database ...
>>> Auto-cleaning packages...

>>> No outdated packages were found on your system.

 * GNU info directory index is up-to-date.

!!! existing preserved libs:
>>> package: net-libs/gnutls-3.3.10-r2
 *  - /usr/lib64/libgnutls.so.26
 *  - /usr/lib64/libgnutls.so.26.22.6
 *      used by /usr/lib64/libavformat.so.54 (preserved)
 *      used by /usr/lib64/libavformat.so.54.20.4 (preserved)
>>> package: media-video/libav-9.17
 *  - /usr/lib64/libavcodec.so.54
 *  - /usr/lib64/libavcodec.so.54.35.0
 *      used by /opt/oracle-jdk-bin-1.8.0.45/jre/lib/amd64/libavplugin-54.so (dev-java/oracle-jdk-bin-1.8.0.45)
 *  - /usr/lib64/libavformat.so.54
 *  - /usr/lib64/libavformat.so.54.20.4
 *      used by /opt/oracle-jdk-bin-1.8.0.45/jre/lib/amd64/libavplugin-54.so (dev-java/oracle-jdk-bin-1.8.0.45)
Use emerge @preserved-rebuild to rebuild packages using these libraries