> After comparing the files in two boxes, turned out that > debian/contrib-jessie64 defines different network adapter type for > first network adapter and remaining ones (82540EM vs Am79C973). This > probably results in somewhat random ordering in the VM itself when > adapters are being named. Relevant file where this is defined is > "box.ovf".
> One could work around this issue with private network definition as: > > machine.vm.network "private_network", ip: "10.64.128.10", nic_type: "82540EM" Than you for the detailed bug report. I understand the unstable network card ordering can perturbate the network config if the NIC is assigned the name eth1 instead of eth0. But I am wondering why is that changing the type of the second NIC make the device ordering stable. Are you sure this fixes the issue ?