driver failed programming external connectivity on endpoint_cannot start service tqzfdj: driver failed program

启动docker容器出错了，以前启动好好的，现在出现这个问题：

Creating singularitiescr_master_1 ... 
Creating singularitiescr_master_1 ... error
 
ERROR: for singularitiescr_master_1  Cannot start service master: driver failed programming external connectivity on endpoint singularitiescr_master_1 (dceb93aa51f4db773bf0d198535e96d008313f6f4a8a116346ebe7a5095bf1ea):  (iptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 0/0 --dport 50070 -j DNAT --to-destination 172.18.0.2:50070 ! -i br-81538e18aaa6: iptables: No chain/target/match by that name.
 (exit status 1))
 
ERROR: for master  Cannot start service master: driver failed programming external connectivity on endpoint singularitiescr_master_1 (dceb93aa51f4db773bf0d198535e96d008313f6f4a8a116346ebe7a5095bf1ea):  (iptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 0/0 --dport 50070 -j DNAT --to-destination 172.18.0.2:50070 ! -i br-81538e18aaa6: iptables: No chain/target/match by that name.
 (exit status 1))
ERROR: Encountered errors while bringing up the project.

按照上面的说法应该是iptables出现了冲突，原因是在本机在运行这个镜像的过程中，自己设置过防火墙，后来重启docker容器就 失败了

解决方法：

重启docker服务就行：

systemctl restart docker