!!! Multiple package instances within a single package slot have been pulled
!!! into the dependency graph, resulting in a slot conflict:

media-libs/libvpx:0

  (media-libs/libvpx-1.7.0:0/5::gentoo, ebuild scheduled for merge) pulled in by
    <media-libs/libvpx-1.8 required by (dev-qt/qtwebengine-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^                  ^^^

  (media-libs/libvpx-1.8.0-r1:0/6::gentoo, installed) pulled in by
    >=media-libs/libvpx-1.3.0:0/6=[abi_x86_64(-)] required by (media-plugins/gst-plugins-vpx-1.14.4:1.0/1.0::gentoo, installed)
                             ^^^^^

dev-qt/qtcore:5

  (dev-qt/qtcore-5.11.3-r2:5/5.11::gentoo, ebuild scheduled for merge) pulled in by
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtgui-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtsql-5.11.3:5/5.11.3::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtpositioning-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtwidgets-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtprintsupport-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qttest-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtnetwork-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtxmlpatterns-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    <dev-qt/qtcore-5.12.0:5 required by (media-sound/teamspeak-client-3.2.3-r1:0/0::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtwebengine-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtdeclarative-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtwebchannel-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtdbus-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^
    ~dev-qt/qtcore-5.11.3 required by (dev-qt/qtsvg-5.11.3:5/5.11::gentoo, ebuild scheduled for merge)
    ^              ^^^^^^

  (dev-qt/qtcore-5.12.2:5/5.12::gentoo, installed) pulled in by
    ~dev-qt/qtcore-5.12.2 required by (dev-qt/qtxml-5.12.2:5/5.12::gentoo, installed)
    ^              ^^^^^^