On Fri, Apr 28, 2017 at 05:23:19PM +0800, ZhiPeng Lu wrote: > Creating tap device and adding the device to bridge are not atomic operation. > Similarly deleting tap device and removing it from bridge are not atomic operation. > The Problem occurs when two vms start and shutdown. When one vm with the nic > named "vnet0" stopping, it deleted tap device but not removing port from bridge. > At this time, another vm created the tap device named "vnet0" and added port to the > same bridge. Then, the first vm deleted the tap device from the same bridge. > Finally, the tap device of the second vm don't attached to the bridge. > So, we can add domid to vm's nic name. For example, the vm's domid is 1 and vnet0 > is renamed to vnet1.0. Surely deleting the NIC automatically removes it from the bridge so we can just remove the code that delets the bridge port. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :| -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list