portage-ng / portage / app-emulation / virt-manager / 5.1.0-r1
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =app-emulation/virt-manager-5.1.0-r1 ), mode none
!!! trying app-emulation/virt-manager-5.1.0-r1
!!!   request >=app-emulation/libvirt-glib-0.0.9[introspection], mode depend
!!!   removing choices involving >=app-emulation/libvirt-glib-0.0.9[introspection]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =app-emulation/virt-manager-5.1.0-r1 )'
potentials:
repo gentoo: [ ebuild src: app-emulation/virt-manager-5.1.0-r1 ]

Wall time
0.433 s vs. 2.747 s for portage-ng