Pods fail to initialize
Pods fail to initialize because they can't set the dm_task_set_cookie
cookie.
Symptoms
The status for some pods is rpc error: code = 2 desc = Error response from daemon: {"message":"devmapper: Error activating devmapper device for '68781a983adeef6156b303e9ffb18251a5fdd7267d0591226e11066dc9e9fe7d-init': devicemapper: Can't set cookie dm_task_set_cookie failed"}
Causes
Docker versions earlier than version 17.06.2 do not properly set the dm_task_set_cookie
cookie.
Resolving the problem
Restart the Docker service by running the following command:
dmsetup udevcomplete_all