diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.4.3-r1.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.4.3-r2.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.4.3-r1.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.4.3-r2.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.4 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.4
index c2adc0090f..9f06232dbc 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.4
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.4
@@ -560,6 +560,7 @@ CONFIG_FUSION_LOGGING=y
 CONFIG_NETDEVICES=y
 CONFIG_BONDING=m
 CONFIG_DUMMY=m
+CONFIG_IFB=m
 CONFIG_MACVLAN=m
 CONFIG_MACVTAP=m
 CONFIG_IPVLAN=m