diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-3.18.4-r1.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-3.18.6.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-3.18.4-r1.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-3.18.6.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-3.18 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-3.18
index c76794a48d..4745b07a90 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-3.18
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-3.18
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86 3.18.4 Kernel Configuration
+# Linux/x86 3.18.6 Kernel Configuration
 #
 CONFIG_64BIT=y
 CONFIG_X86_64=y
@@ -429,6 +429,7 @@ CONFIG_SCHED_MC=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
+CONFIG_X86_UP_APIC_MSI=y
 CONFIG_X86_LOCAL_APIC=y
 CONFIG_X86_IO_APIC=y
 CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-3.18.4.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-3.18.6.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-3.18.4.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-3.18.6.ebuild