>>> Emerging : portage://dev-perl/Filesys-SmbClient-3.200.0-r5:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ verify  net-fs/samba (unsatisfied constraints, assumed installed)
             │ verify  net-fs/samba (unsatisfied constraints, assumed running)
             │ download  portage://dev-perl/Filesys-SmbClient-3.200.0-r5
             │           └─ file ─┤ 50.79 Kb  	 Filesys-SmbClient-3.2.tar.gz

Total: 1 action (1 download), grouped into 1 step.
       50.79 Kb to be downloaded.



Error The proof for your build plan contains domain assumptions. Please verify:


>>> Domain assumptions

- REQUIRED_USE violation: 
  net-fs/samba
  No ebuild satisfies USE deps for portage://net-fs/samba-4.25.0 (use_dep_unsat)
  USE deps force:   [addc,client,winbind]
  USE deps disable: [system-mitkrb5]
  USE deps force:   [addc,client,winbind]
  USE deps disable: [system-mitkrb5]
  violates: !ads? ( !addc )
  required by: portage://dev-perl/Filesys-SmbClient-3.200.0-r5

- REQUIRED_USE violation: 
  net-fs/samba
  No ebuild satisfies USE deps for portage://net-fs/samba-4.25.0 (use_dep_unsat)
  USE deps force:   [addc,client,winbind]
  USE deps disable: [system-mitkrb5]
  USE deps force:   [addc,client,winbind]
  USE deps disable: [system-mitkrb5]
  violates: !ads? ( !addc )
  required by: portage://dev-perl/Filesys-SmbClient-3.200.0-r5


>>> Bug report drafts (Gentoo Bugzilla)

---
Summary: portage://dev-perl/Filesys-SmbClient-3.200.0-r5: unsatisfied_constraints dependency on net-fs/samba

Affected package: portage://dev-perl/Filesys-SmbClient-3.200.0-r5
Dependency: net-fs/samba
Phases: [install,run]

Unsatisfiable constraint(s):
  >=net-fs/samba-4.2

Observed:
  portage-ng reports no available candidate satisfies the above constraint(s).
  Available versions in repo set (sample, first 8 of 9): [4.23.10,4.23.11,4.23.12,4.23.9,4.24.4,4.24.5,4.24.6,4.24.7]

Potential fix (suggestion):
  Review dependency metadata in portage://dev-perl/Filesys-SmbClient-3.200.0-r5; constraint set: [constraint(greaterequal,4.2,[])].