Would it suffice to do: virsh edit myvm
and change the mac address in the definition? Note that if the mac address doesn't show up in the definition in the editor, you should be able to add it (using the mac address you want) and it will be respected the next time. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in ubuntu. https://bugs.launchpad.net/bugs/629247 Title: Failure to alter VM's MAC address with virsh -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs