read ip from eth1 if using host-only network
read ip from eth1 if using host-only network

If the the vms are using host-only network, then eth1 would be the
proper interface to retrieve ip of the vm. Without these lines, the
host manager will only add 127.0.0.1 to /etc/hosts file.

Change-Id: If2f825ebb9d6f7f096ce55e1bf070e5af91f5d45

AlessandroCopler/test_esc,meniy/Devstack-Vagrant,verdurin/devstack-vagrant,nexusz99/devstack-vagrant,meniy/Vagrant,nexusz99/devstack-vagrant,verdurin/devstack-vagrant,openstack-dev/devstack-vagrant,Sunnepah/devstack-vagrant,unibg-seclab/devstack-vagrant,unibg-seclab/devstack-vagrant,unibg-seclab/devstack-vagrant,openstack-dev/devstack-vagrant,meniy/Vagrant,meniy/Vagrant,j4/devstack-vagrant,Sunnepah/devstack-vagrant,AlessandroCopler/TestVagrant,AlessandroCopler/TestVagrant,olivierlemasle/devstack-vagrant,meniy/Devstack-Vagrant,AlessandroCopler/test_esc,j4/devstack-vagrant,olivierlemasle/devstack-vagrant