# systemctl stop docker
# iptables -t nat -F
# ifconfig docker0 down
# brctl delbr docker0 # 命令由bridge-utils软件提供
# systmctl start docker
# systemctl stop docker
# iptables -t nat -F
# ifconfig docker0 down
# brctl delbr docker0 # 命令由bridge-utils软件提供
# systmctl start docker