libu2f-host creates a special udev rule for non-systemd systems where the new hidraw node is created with the group "plugdev". However, the group "plugdev" doesn't seem to exist by default and ebuild should create it. Reproducible: Always
Created attachment 416044 [details, diff] Proposed solution Use enewgroup to create the plugdev group, remind user in postint to add himself to the group plugdev.
Github PR: https://github.com/gentoo/gentoo/pull/408
In the tree: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=657ba44832727830f2ea042ee68295ba91701a05