CONFIG_PRINTK=y CONFIG_NETWORKING=y CONFIG_ETHERNET=y CONFIG_ETH_DW=y CONFIG_NANO_TIMEOUTS=y CONFIG_NETWORKING_WITH_TCP=y CONFIG_NETWORKING_WITH_IPV4=y CONFIG_NETWORKING_IPV6_NO_ND=y CONFIG_IP_BUF_RX_SIZE=4 CONFIG_IP_BUF_TX_SIZE=4 #CONFIG_NETWORKING_WITH_LOGGING=y