Готов ли overlayfs любезно разработанный компанией OpenSUSE?

# cave search --name kernel

* sys-kernel/dkms
    ::unavailable-unofficial  (2.2.0.3 (in ::worr))X* {:0}
    sys-kernel/dkms-2.2.0.3:0::unavailable-unofficial (in ::worr)
    Description               Dynamically rebuild kernel modules
    Owning repository         worr
        Masked
            unavailable       In a repository which is unavailable

* sys-kernel/genkernel
    ::graveyard               (3.4.10.907)G* {:0}
    sys-kernel/genkernel-3.4.10.907:0::graveyard
    Description               Gentoo automatic kernel building scripts
        Masked
            graveyard         Package has been deleted

* sys-kernel/linux-headers
    ::arbor                   2.6.34(~) 2.6.35(~) 2.6.36(~) 2.6.38(~) 3.0-r1(~) 3.1(~) 3.2(~) 3.3(~) 3.4(~) 3.5(~) 3.6(~) 3.8(~) 3.9(~) 3.10(~) 3.11(~) 3.12(~) 3.13(~) 3.14(~) 3.15(~) 3.16(~) 3.17(~) 3.18(~)* {:0}
    ::installed               3.15 {:0}
    sys-kernel/linux-headers-3.18:0::arbor (system)
    Homepage                  http://www.kernel.org
    Summary                   Linux kernel headers
        Overridden Masks
            Supported platforms ~amd64 ~arm ~x86

* sys-kernel/lux
    ::unavailable-unofficial  (0.2.9 (in ::somasis))X (scm (in ::somasis))X* {:0}
    sys-kernel/lux-scm:0::unavailable-unofficial (in ::somasis)
    Description               A Linux kernel updater for smarties
    Owning repository         somasis
        Masked
            unavailable       In a repository which is unavailable