BUG REPORT INFORMATION

Description

docker 1.12 in swarm mode is crashing periodically

Steps to reproduce the issue:
1.
2.
3.

Describe the results you received:

docker exited unexpected

Describe the results you expected:

docker daemon running constantly

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

Output of docker version:

Exec command is forbidden for me, but I am sure the server version is

docker 1.12.1

Output of docker info:

I have to upload a snapshot for some reason.

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

physical CentOS 7.2

Logs triggered

http://pastebin.com/s71CxSaq