These are the packages that would be merged, in order:

Calculating dependencies ...

!!! Problem resolving dependencies for =dev-libs/libdnet-1.18.0-r2
 done!
Dependency resolution took 0.83 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "=dev-libs/libdnet-1.18.0-r2" has unmet requirements.
- dev-libs/libdnet-1.18.0-r2::gentoo USE="python -debug -test" PYTHON_TARGETS="-python3_12"

  The following REQUIRED_USE flag constraints are unsatisfied:
    python? ( python_targets_python3_12 )

  The above constraints are a subset of the following complete expression:
    python? ( any-of ( python_targets_python3_12 ) )