diff --git a/sdk_container/src/third_party/coreos-overlay/eclass/cros-kernel/x86_64_defconfig_boot b/sdk_container/src/third_party/coreos-overlay/eclass/cros-kernel/x86_64_defconfig_boot
index af70c25479..45eac26ee3 100644
--- a/sdk_container/src/third_party/coreos-overlay/eclass/cros-kernel/x86_64_defconfig_boot
+++ b/sdk_container/src/third_party/coreos-overlay/eclass/cros-kernel/x86_64_defconfig_boot
@@ -1167,91 +1167,11 @@ CONFIG_VIRTIO_NET=y
 # CONFIG_NET_DSA_MV88E6XXX_NEED_PPU is not set
 # CONFIG_NET_DSA_MV88E6131 is not set
 # CONFIG_NET_DSA_MV88E6123_61_65 is not set
-CONFIG_ETHERNET=y
-CONFIG_MDIO=m
-# CONFIG_NET_VENDOR_3COM is not set
-# CONFIG_NET_VENDOR_ADAPTEC is not set
-# CONFIG_NET_VENDOR_ALTEON is not set
-CONFIG_NET_VENDOR_AMD=y
-CONFIG_AMD8111_ETH=m
-CONFIG_PCNET32=m
-# CONFIG_NET_VENDOR_ATHEROS is not set
-# CONFIG_NET_CADENCE is not set
-# CONFIG_NET_VENDOR_BROADCOM is not set
-# CONFIG_NET_VENDOR_BROCADE is not set
-# CONFIG_NET_CALXEDA_XGMAC is not set
-# CONFIG_NET_VENDOR_CHELSIO is not set
-# CONFIG_NET_VENDOR_CISCO is not set
-# CONFIG_DNET is not set
-# CONFIG_NET_VENDOR_DEC is not set
-# CONFIG_NET_VENDOR_DLINK is not set
-# CONFIG_NET_VENDOR_EMULEX is not set
-# CONFIG_NET_VENDOR_EXAR is not set
-# CONFIG_NET_VENDOR_HP is not set
-CONFIG_NET_VENDOR_INTEL=y
-CONFIG_E100=m
-CONFIG_E1000=m
-CONFIG_E1000E=m
-CONFIG_IGB=m
-CONFIG_IGBVF=m
-CONFIG_IXGB=m
-CONFIG_IXGBE=m
-# CONFIG_IXGBE_DCB is not set
-CONFIG_IXGBEVF=m
-# CONFIG_NET_VENDOR_I825XX is not set
-# CONFIG_IP1000 is not set
-# CONFIG_JME is not set
-# CONFIG_NET_VENDOR_MARVELL is not set
-# CONFIG_NET_VENDOR_MELLANOX is not set
-# CONFIG_NET_VENDOR_MICREL is not set
-# CONFIG_NET_VENDOR_MYRI is not set
-# CONFIG_FEALNX is not set
-# CONFIG_NET_VENDOR_NATSEMI is not set
-# CONFIG_NET_VENDOR_NVIDIA is not set
-# CONFIG_NET_VENDOR_OKI is not set
-# CONFIG_ETHOC is not set
-# CONFIG_NET_PACKET_ENGINE is not set
-# CONFIG_NET_VENDOR_QLOGIC is not set
-# CONFIG_NET_VENDOR_REALTEK is not set
-# CONFIG_NET_VENDOR_RDC is not set
-# CONFIG_NET_VENDOR_SEEQ is not set
-# CONFIG_NET_VENDOR_SILAN is not set
-# CONFIG_NET_VENDOR_SIS is not set
-# CONFIG_SFC is not set
-# CONFIG_NET_VENDOR_SMSC is not set
-# CONFIG_NET_VENDOR_STMICRO is not set
-# CONFIG_NET_VENDOR_SUN is not set
-# CONFIG_NET_VENDOR_TEHUTI is not set
-# CONFIG_NET_VENDOR_TI is not set
-# CONFIG_NET_VENDOR_VIA is not set
-# CONFIG_NET_VENDOR_WIZNET is not set
+# CONFIG_ETHERNET is not set
 # CONFIG_FDDI is not set
 # CONFIG_HIPPI is not set
 # CONFIG_NET_SB1000 is not set
-CONFIG_PHYLIB=y
-
-#
-# MII PHY device drivers
-#
-# CONFIG_AT803X_PHY is not set
-# CONFIG_AMD_PHY is not set
-# CONFIG_MARVELL_PHY is not set
-# CONFIG_DAVICOM_PHY is not set
-# CONFIG_QSEMI_PHY is not set
-# CONFIG_LXT_PHY is not set
-# CONFIG_CICADA_PHY is not set
-# CONFIG_VITESSE_PHY is not set
-# CONFIG_SMSC_PHY is not set
-# CONFIG_BROADCOM_PHY is not set
-# CONFIG_BCM87XX_PHY is not set
-# CONFIG_ICPLUS_PHY is not set
-# CONFIG_REALTEK_PHY is not set
-# CONFIG_NATIONAL_PHY is not set
-# CONFIG_STE10XP is not set
-# CONFIG_LSI_ET1011C_PHY is not set
-# CONFIG_MICREL_PHY is not set
-CONFIG_FIXED_PHY=y
-# CONFIG_MDIO_BITBANG is not set
+# CONFIG_PHYLIB is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
 # CONFIG_WLAN is not set
@@ -1432,7 +1352,6 @@ CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
 # CONFIG_I2C_MUX is not set
 CONFIG_I2C_HELPER_AUTO=y
-CONFIG_I2C_ALGOBIT=m
 
 #
 # I2C Hardware Bus support
@@ -1511,7 +1430,10 @@ CONFIG_PPS=m
 # PTP clock support
 #
 CONFIG_PTP_1588_CLOCK=m
-# CONFIG_DP83640_PHY is not set
+
+#
+# Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks.
+#
 # CONFIG_PTP_1588_CLOCK_PCH is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 CONFIG_GPIO_DEVRES=y