Output

!!! existing preserved libs:
>>> package: sys-fs/udisks-1.98.0
 *  - /usr/lib64/libudisks2.so.0
 *  - /usr/lib64/libudisks2.so.0.0.0
 *      used by /usr/libexec/gvfs-udisks2-volume-monitor (gnome-base/gvfs-1.12.3-r1)
Use emerge @preserved-rebuild to rebuild packages using these libraries