Update sys-kernel/gentoo-sources from Gentoo.
Update net-misc/iperf from Gentoo.
Update app-emulation/qemu from Gentoo.
Update app-emulation/libvirt from Gentoo.
Update sys-kernel/linux-headers from Gentoo.
Update media-libs/alsa-lib from Gentoo.
Update eclass from Gentoo.
Update dev-php/pecl-uploadprogress from Gentoo.