Hi all http://bugs.centos.org/view.php?id=8417 In short - it's not Centos bug, it's probably bug of iproute2<->netlink interactions on kernel 3.10.0-229 As workaround you can fallback to prev kernel and command # ip link set macvlanX namens PID would work. b.r. Maxim Kozin _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users