minion: Wait for container to run before trying to modify OVSDB
minion: Wait for container to run before trying to modify OVSDB

If we try to perform ovsdb operations before the container is up, we'll
get unnecessary error messages for failing to connect to ovsdb.

NetSys/quilt,kklin/kelda,kayousterhout/quilt,ejj/quilt-dev,secant/quilt,akshayknarayan/quilt,LuiseV/quilt,quilt/quilt,mmussomele/quilt,ejj/quilt-dev,kayousterhout/quilt,kelda/kelda,mmussomele/quilt,mmussomele/quilt,kelda/kelda,stevenlin598/quilt,secant/quilt,LuiseV/quilt,LuiseV/quilt,stevenlin598/quilt,quilt/quilt,quilt/quilt,kklin/kelda,NetSys/quilt,NetSys/quilt,stevenlin598/quilt,ZhongtianWang/quilt,secant/quilt,kayousterhout/quilt,LuiseV/quilt,NetSys/quilt,kklin/kelda,PenguinToast/quilt,mmussomele/quilt,PenguinToast/quilt,ZhongtianWang/quilt,kklin/kelda,mmussomele/quilt,ejj/quilt-dev,kklin/quilt,NetSys/quilt,kklin/quilt,ZhongtianWang/quilt,PenguinToast/quilt,tejasmanohar/quilt,ejj/quilt-dev,mmussomele/quilt,secant/quilt,tejasmanohar/quilt,akshayknarayan/quilt,kelda/kelda,tejasmanohar/quilt,kelda/kelda,kklin/quilt,LuiseV/quilt,kklin/quilt,akshayknarayan/quilt,ZhongtianWang/quilt,quilt/quilt,kayousterhout/quilt,PenguinToast/quilt,akshayknarayan/quilt,stevenlin598/quilt,secant/quilt,stevenlin598/quilt,PenguinToast/quilt,tejasmanohar/quilt,stevenlin598/quilt