查看网卡驱动是否和我一样
$ lspci | grep -i ethernet
04:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12)
卸载8169驱动
$ sudo rmmod r8169
安装官方8168驱动
unzip r8168-8.047.05.zip
cd r8168-8.047.05/
sudo ./autorun.sh
