Updated Ubuntu Vagrantfile
Updated Ubuntu Vagrantfile

Change-Id: I978cef566a5071a3221b12ea973fd9422003e2c7
Signed-off-by: Swapnil Kulkarni <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@coolsvap.net>

coolsvap/kubeadm-vagrant,coolsvap/kubeadm-vagrant