"http://www.gentoo.org/" is about as insightful as "https://www.duckduckgo.com". Please set it to "http://www.gentoo.org/doc/en/portage-utils.xml", or something else that makes more sense.
should be all set now in the tree; thanks for the report! Commit message: Update HOMEPAGE http://sources.gentoo.org/app-portage/portage-utils/portage-utils-0.30.ebuild?r1=1.1&r2=1.2