Warning: Failed to resolve package order.
Will merge in "random" order!
Possible reasons:
- An ebuild is no longer in the portage tree.
- An ebuild is masked, use /etc/portage/packages.keyword
  and/or /etc/portage/package.unmask to unmask it
..... done.
  (/root/.revdep-rebuild.5_order)

All prepared. Starting rebuild...