Docker for Mac dropping containers

Expected behavior

Should not drop containers

Actual behavior

Drops containers


exception: Transfuse.Socket_closed
May 27 10:25:07 MBP Docker[4097] <Notice>: Reap com.docker.osxfs (pid 4125): exit status 1```

  - the output of:
    -  `pinata diagnose -u` on OSX
    -  `DockerDebugInfo.ps1` using Powershell on Windows
  - a reproducible case if this is a bug, Dockerfiles FTW
  - page URL if this is a docs issue or the name of a man page
  - host distribution and version ( OSX 10.10.x, OSX 10.11.x, Windows, etc )

### Steps to reproduce the behavior

  1. ...start a container, watch as docker app icon changes to docker restarting
  2. ...