虚拟机网卡设置及其他设置
/etc/network/interfaces的配置
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
#allow-hotplug enp0s3
auto enp0s3
iface enp0s3 inet dhcp
iface enp0s3 inet6 dhcp
虚拟机向外 ping 及 traceroute 等
其他：
