Soname of library changed, but update of subslot was forgotten. # scanelf --soname /usr/lib64/libhwloc.so TYPE SONAME FILE ET_DYN libhwloc.so.15 /usr/lib64/libhwloc.so
53900ce01ef1 sys-apps/hwloc: bump 2.0.4 and update subslot Thanks for the report.