docker start error

[zhangtingshu]

Steps to reproduce:
1.cent os 7 new;
2.get docker-ce;
3.systemctl start docker;
iptables can not init nat table;
output:
8月 22 17:15:09 VM dockerd[31404]: Error starting daemon: Error initializing network controller: error obtaining controller instance: failed to create NAT chain DOCKER: iptables failed: iptables --wait -t nat -N DOCKER: iptables v1.4.21: can't initialize iptables table `nat': Table does not exist (do you need to insm
8月 22 17:15:09 VM dockerd[31404]: Perhaps iptables or your kernel needs to be upgraded.
8月 22 17:15:09 VM dockerd[31404]: (exit status 3)
8月 22 17:15:09 VM systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE
8月 22 17:15:09 VM systemd[1]: Failed to start Docker Application Container Engine.

[zhangtingshu]

cent os
Linux VM 3.10.0-862.3.2.el7.x86_64 #1 SMP Mon May 21 23:36:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
docker version
Docker version 18.05.0-ce-rc1, build 33f00ce

[ljesparis]

ping @thaJeztah

You should follow the following issue template:

Description

Steps to reproduce the issue:
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2.
3.

Describe the results you received:

Describe the results you expected:

Additional information you deem important (e.g. issue happens only occasionally):

Output of docker version:

(paste your output here)

Output of docker info:

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Additional environment details (AWS, VirtualBox, physical, etc.):

[zhangtingshu]

cent os need join nat module and recompile the kernel.
or replace os.

[jiankunking]

cent os need join nat module and recompile the kernel.
or replace os.

This kind of work station is troublesome, have other method?

[jiankunking]

cent os need join nat module and recompile the kernel.
or replace os.

What are the specific causes?

[jiankunking]

关闭CentOS7的firewalld并启用iptables即可

Just close firewalld on CentOS7 and enable iptables

[jiankunking]

解决方案（solution）
https://blog.csdn.net/jiankunking/article/details/84064695