周末用docker设置固定ip之后，再次输入启动命令之后，都报错误，具体如下：
root@ubuntu:~# docker version
Client:
Version: 1.12.6
API version: 1.24
Go version: go1.6.2
Git commit: 78d1802
Built: Tue Jan 31 23:35:14 2017
OS/Arch: linux/amd64
Cannot connect to the Docker daemon. Is the docker daemon running on
root@ubuntu:~# service docker start
Job for docker.service failed because the control
process exited with error code. See "systemctl status
docker.service" and "journalctl -xe" for
root@ubuntu:~# systemctl status docker.service
● docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: e
Active: failed (Result: exit-code) since Mon 2017-03-06 16:59:47 CST; 29s ago
Docs: https://docs.docker.com
Process: 9757 ExecStart=/usr/bin/dockerd -H fd:// $DOCKER_OPTS (code=exited, s
Main PID: 9757 (code=exited, status=1/FAILURE)
Mar 06 16:59:47 ubuntu dockerd[9757]: time="2017-03-06T16:59:47.326263971+08:00"
Mar 06 16:59:47 ubuntu dockerd[9757]: time="2017-03-06T16:59:47.326847904+08:00"
Mar 06 16:59:47 ubuntu dockerd[9757]: time="2017-03-06T16:59:47.327433829+08:00"
Mar 06 16:59:47 ubuntu dockerd[9757]: ........time="2017-03-06T16:59:47.34000826
Mar 06 16:59:47 ubuntu dockerd[9757]: time="2017-03-06T16:59:47.378659103+08:00"
Mar 06 16:59:47 ubuntu dockerd[9757]: time="2017-03-06T16:59:47.401407972+08:00"
Mar 06 16:59:47 ubuntu systemd[1]: docker.service: Main process exited, code=exi
Mar 06 16:59:47 ubuntu systemd[1]: Failed to start Docker Application Container
Mar 06 16:59:47 ubuntu systemd[1]: docker.service: Unit entered failed state.
Mar 06 16:59:47 ubuntu systemd[1]: docker.service: Failed with result 'exit-code
root@ubuntu:~# journalctl -xe
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit--
-- TheMar 06 17:07:38 ubuntu systemd[1]: Starting Docker Application Container Engine.
-- Subject: Unit-- Defined-By:-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- UnitMar 06 17:07:38 ubuntu dockerd[9944]: time="2017-03-06T17:07:38.217987846+08:00"
Mar 06 17:07:39 ubuntu kernel: audit: type=1400 audit(1488791259.311:58): apparm
Mar 06 17:07:39 ubuntu audit[9980]: AVC apparmor="STATUS" operation="profile_rep
Mar 06 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.327277215+08:00"
Mar 06 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.330977072+08:00"
Mar 06 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.331639712+08:00"
Mar 06 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.332261285+08:00"
Mar 06 17:07:39 ubuntu dockerd[9944]: ........time="2017-03-06T17:07:39.34310685
Mar 06 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.365163611+08:00"
Mar 06 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.388542420+08:00"
Mar 06 17:07:39 ubuntu systemd[1]: docker.service: Main process exited, code=exi
Mar 06 17:07:39 ubuntu systemd[1]: Failed to start Docker Application Container
-- Subject: Unit-- Defined-By:-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit--
-- TheMar 06 17:07:39 ubuntu systemd[1]: docker.service: Unit entered failed state.
Mar 06 17:07:39 ubuntu systemd[1]: docker.service: Failed with result 'exit-code
通过查找系统日志：
root@ubuntu:/var/log# cd
root@ubuntu:~# cd /var/log
root@ubuntu:/var/log# ls
alternatives.log dpkg.log lastlog vmware-vmsvc.log
apt faillog lightdm wtmp
auth.log fontconfig.log speech-dispatcher Xorg.0.log
bootstrap.log fsck syslog Xorg.0.log.old
btmp gpu-manager.log syslog.1 yum.log
cups hp unattended-upgrades
dist-upgrade installer upstart
dmesg kern.log vmware
root@ubuntu:/var/log# cat syslog
//或者通过
root@ubuntu:/var/log# vim syslog
可以看到具体错误信息如下：
Mar 6 17:07:38 ubuntu dockerd[9944]: time="2017-03-06T17:07:38.217987846+08:00" level=info msg="libcontainerd: new containerd process, pid: 9960"
Mar 6 17:07:39 ubuntu kernel: [21284.569382] audit: type=1400 audit(1488791259.311:58): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="docker-default" pid=9980 comm="apparmor_parser"
Mar 6 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.327277215+08:00" level=info msg="[graphdriver] using prior storage driver \"aufs\""
Mar 6 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.330977072+08:00" level=info msg="Graph migration to content-addressability took 0.00 seconds"
Mar 6 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.331639712+08:00" level=warning msg="Your kernel does not support swap memory limit."
Mar 6 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.332261285+08:00" level=info msg="Loading containers: start."
Mar 6 17:07:39 ubuntu dockerd[9944]: ........time="2017-03-06T17:07:39.343106854+08:00" level=info msg="Firewalld running: false"
//注意下面这段错误信息
Mar 6 17:07:39 ubuntu dockerd[9944]: time="2017-03-06T17:07:39.365163611+08:00" level=warning msg="could not create bridge network for id d6f9d6b857030363444f5dc8fcc8b131831f13b440fa317e10f82bf07e6a8f5d bridge name docker_new0 while booting up from persistent state: bridge device with non default name docker_new0 must be created manually"
Mar 6 17:07:39 ubuntu dockerd[9945]: time="2017-03-06T17:07:39.388542420+08:00" level=fatal msg="Error starting daemon: Error initializing network controller: Error creating default \"bridge\" network: bridge device with non default name docker_new0 must be created manually"
Mar 6 17:07:39 ubuntu systemd[1]: docker.service: Main process exited, code=exited, status=1/FAILURE
Mar 6 17:07:39 ubuntu systemd[1]: Failed to start Docker Application Container Engine.
Mar 6 17:07:39 ubuntu systemd[1]: docker.service: Unit entered failed state.
Mar 6 17:07:39 ubuntu systemd[1]: docker.service: Failed with result 'exit-code'.
~
方法一：新建自定义网桥docker_new0
brctl addbr docker_new0
方法二：修改/etc/default/docker文件
修改成
这样再次登录使用的就是默认网桥docker0了。
再次执行docker启动命令正常：
sudo
该问题报出的异常有如下这些：
//错误信息一
Cannot connect to the Docker daemon. Is the docker daemon running on this host?
//错误信息二
Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for
作者：jiankunking
