1#!/bin/bash 2BRIDGE=dragonos-bridge 3if [ -n "$1" ]; then 4 echo "正在断开接口 $1" 5 ip link set $1 down 6 brctl delif "$BRIDGE" $1 7 tap=`brctl show | grep natnet | awk '{print $4}'` 8 if [[ $tap != tap* ]];then 9 ip link set "$BRIDGE" down 10 brctl delbr "$BRIDGE" 11 iptables -t nat -F 12 kill `ps aux | grep dnsmasq | grep -v grep | awk '{print $2}'` 13 echo "断开接口 $1 成功" 14 echo "网桥 $BRIDGE 卸载成功" 15 echo "dnsmasq 服务停止成功" 16 exit 0 17 else 18 echo "断开接口 $1 成功" 19 exit 0 20 fi 21else 22 echo "删除错误：未指定接口" 23 exit 1 24fi 25