我用BL706开发板，用customer_app/bl702_demo_event DEMO，测试以太网，通讯失败。
帮忙支持一下，发一个你们测试网络正常的bl702_demo_event 固件给我（我用来验证一下硬件），或者帮忙看
看下面的调试信息，帮忙分析一下可能是哪里的问题 ，固定IP模式，PING自己可以PING到。
Init CLI with event Driven
[BL] [SEC] TRNG Handler
[BL] [SEC] TRNG Handler
[BL] [SEC] TRNG Handler
[BL] [SEC] TRNG Handler
[BL] [SEC] TRNG Handler
BD_ADDR🙁MSB)24:94:94:00:e1:ea(LSB)
start adv
-------------------->>>>>>>> LWIP tcp_port 55899
start static ip 192,168,16,150
[ 115][INFO : eth_bd.c: 799] eth_init.
[ 115][INFO : eth_bd.c: 310] EMAC_Interrupt_Init.
[ 116][INFO : eth_bd.c: 316] emac_intmask.
[ 116][INFO : eth_bd.c: 743] unsent_recv_task.
netif_status:1
Tx error
to stop adv
Stop adv successfully
[ 317][INFO : eth_bd.c: 530] EMAC_PHY_INIT_STEP_RESET.
[ 317][INFO : bl_emac.c: 163] emac_phy_reset start
[ 317][INFO : bl_emac.c: 141] LAN8720 Registers:
[ 318][INFO : bl_emac.c: 142] BCR 0x3100
[ 318][INFO : bl_emac.c: 143] BSR 0x782d
[ 318][INFO : bl_emac.c: 144] PHY1 0x0007
[ 319][INFO : bl_emac.c: 145] PHY2 0xc0f1
[ 319][INFO : bl_emac.c: 146] ANAR 0x01e1
[ 319][INFO : bl_emac.c: 147] ANLPAR 0x4de1
[ 320][INFO : bl_emac.c: 148] ANER 0x0003
[ 320][INFO : bl_emac.c: 149] MCSR 0x0000
[ 321][INFO : bl_emac.c: 150] SM 0xffff
[ 321][INFO : bl_emac.c: 151] SECR 0x0001
[ 321][INFO : bl_emac.c: 152] CSIR 0xffff
[ 322][INFO : bl_emac.c: 153] ISR 0xffff
[ 322][INFO : bl_emac.c: 154] IMR 0x0040
[ 322][INFO : bl_emac.c: 155] PSCSR 0x0002
[ 471][INFO : bl_emac.c: 259] phy bsr read time = 0 ms
[ 471][INFO : bl_emac.c: 276] phy lpa read time = 0 ms
[ 703][INFO : eth_bd.c: 551] EMAC_PHY_INIT_STEP_NEGOTIATION.
[ 952][INFO : eth_bd.c: 563] EMAC_PHY_INIT_STEP_CONFIG.
[ 1152][INFO : eth_bd.c: 573] EMAC_PHY_INIT_STEP_LINKUP.
[ 1184][INFO : eth_bd.c: 575] speed 1
[ 1384][INFO : eth_bd.c: 603] EMAC_PHY_INIT_STEP_SERCIVE_START start dhcp...
Rx error
