only first private_network is used 
only first private_network is used 

this will prevent using last private_network for the hostname
smdahlen/vagrant-hostmanager,smdahlen/vagrant-hostmanager,devopsgroup-io/vagrant-hostmanager,at3560k/vagrant-hostmanager,devopsgroup-io/vagrant-hostmanager,virajs/vagrant-hostmanager,virajs/vagrant-hostmanager,at3560k/vagrant-hostmanager