Unable to Connect to Vagrant Guest VMs in a Private Network

I had a problem connecting to a vagrant virtualbox cluster from the host (OS X 10.10.4 Yosemite). There are three hosts set up as a vagrant private_network, each having an assigned IP in the range 192.168.37.2 – 192.168.37.4 The virtual network I wanted to connect to (vboxnet0) had a status of Up and the hosts […]