diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.2.2.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.2.2-r1.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.2.2.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.2.2-r1.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.2 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.2
index 209bb4a942..9714ee002c 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.2
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.2
@@ -96,6 +96,8 @@ CONFIG_KEXEC_BZIMAGE_VERIFY_SIG=y
 CONFIG_CRASH_DUMP=y
 CONFIG_KEXEC_JUMP=y
 CONFIG_PHYSICAL_ALIGN=0x1000000
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="rootflags=rw mount.usrflags=ro"
 CONFIG_HIBERNATION=y
 # CONFIG_ACPI_AC is not set
 # CONFIG_ACPI_BATTERY is not set