This package has been found to depend on a minimal version of portage which is no longer in the tree. This means that all currently available versions satisfy the dependency and it is not necessary anymore. it may be that your package requires specific portage behavior. if that is the case please close this bug as INVALID with a reason stated here.
root@grubbs-int:/usr/portage/app-backup/amanda # grep portage * amanda-2.4.5_p1.ebuild: >=sys-apps/portage-2.0.51-r3" ChangeLog: Remove dependency on portage: ref bug 162516 It'll go away when the old version does. There's ZERO harm in it being there. *** This bug has been marked as a duplicate of bug 162516 ***