CONFIG_NET_TESTING=y CONFIG_NETWORKING_IPV6_NO_ND=y CONFIG_NETWORKING=y CONFIG_NETWORKING_WITH_LOGGING=y CONFIG_IP_BUF_RX_SIZE=3 CONFIG_IP_BUF_TX_SIZE=2 CONFIG_NANO_TIMEOUTS=y CONFIG_NETWORKING_WITH_15_4=y CONFIG_NETWORKING_WITH_15_4_LOOPBACK_UART=y CONFIG_NETWORKING_WITH_6LOWPAN=y CONFIG_6LOWPAN_COMPRESSION_IPHC=y CONFIG_NETWORKING_STATISTICS=y