I have a number of vm's running under Ovirt 4.2, most are CentOS 7 and one Debian. Issue is that when multiple network interfaces are assigned they don't persist but it variates at boot which interface will be which. I've tried various methods, setting UUID and HWADDRESS in the ifcfg file and a file /etc/udev/rules.d/70-persistent-net.rules file like the below: SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:1a:4a:16:01:63", KERNEL=="eth*", NAME="eth0" SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:1a:4a:16:01:6d", KERNEL=="eth*", NAME="eth1" I've also tried in the gui to change the network profile each virtual card is attached, but even then the interfaces in vm will be oposide of what I had intended. How to accomplish with Ovirt to get network interface persistence? The Debian vm is an appliance so I can't log in to it to change network interfaces. /Sverker