[libvirt] [question] We can create two network of one same linux bridge or local ethernet. It is a bug?

[Sheldon]

> We can create two network of one same linux bridge or local ethernet:
This is not harmful.
But I wonder should this case is allowed?  Why?

more detail as follow.
>
> virsh # net-list --all
> Name State Autostart Persistent
> ----------------------------------------------------------
> br1 active yes yes
> br2 active yes yes
> default active yes yes
>
> virsh # net-dumpxml br1
> <network>
> <name>br1</name>
> <uuid>d5410814-1bea-b10d-04b8-9fbd3a1cfc65</uuid>
> <forward mode='bridge'/>
> <bridge name='br0' />
> </network>
>
> virsh # net-dumpxml br2
> <network>
> <name>br2</name>
> <uuid>99f20705-57cd-da31-f193-d13af4158792</uuid>
> <forward mode='bridge'/>
> <bridge name='br0' />
> </network>
>
> virsh # net-list --all
> Name State Autostart Persistent
> ----------------------------------------------------------
> br0 active yes yes
> br1 active yes yes
> default active yes yes
>
> virsh # net-dumpxml br0
> <network>
> <name>br0</name>
> <uuid>a35c840a-9bdc-070d-43f5-8e834040aa42</uuid>
> <forward dev='eth0' mode='bridge'>
> <interface dev='eth0'/>
> </forward>
> </network>
>
> virsh # net-dumpxml br1
> <network>
> <name>br1</name>
> <uuid>f1c87b80-2dfc-2a71-3fb6-56ef83daf29a</uuid>
> <forward dev='eth0' mode='bridge'>
> <interface dev='eth0'/>
> </forward>
> </network> 


-- 
Sheldon Feng(冯少合)<shaohef at linux.vnet.ibm.com>
IBM Linux Technology Center