root@sirius:~# brctl show
bridge name     bridge id               STP enabled     interfaces
br-ff-client            8000.0cc47a92872e       no              eth0.11
                                                        vnet2
br-ff-mesh              8000.0cc47a92872e       no              eth0.10
                                                        vnet0
br0             8000.0022aabbccdd       no              eth0.1
                                                        netdev-apps
                                                        netdev-daten
                                                        netdev-extern
                                                        vnet1


root@sirius:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 0c:c4:7a:92:87:2e brd ff:ff:ff:ff:ff:ff
3: eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether 0c:c4:7a:92:87:2f brd ff:ff:ff:ff:ff:ff
4: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 00:22:aa:bb:cc:dd brd ff:ff:ff:ff:ff:ff
    inet 192.168.2.110/24 brd 192.168.2.255 scope global br0
       valid_lft forever preferred_lft forever
    inet6 2003:e6:ef12:db00:222:aaff:febb:ccdd/64 scope global mngtmpaddr dynamic 
       valid_lft 7136sec preferred_lft 1363sec
    inet6 fe80::222:aaff:febb:ccdd/64 scope link 
       valid_lft forever preferred_lft forever
5: br-ff-client: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 0c:c4:7a:92:87:2e brd ff:ff:ff:ff:ff:ff
    inet6 fd83:e002:c8a1:0:ec4:7aff:fe92:872e/64 scope global mngtmpaddr dynamic 
       valid_lft 86400sec preferred_lft 14400sec
    inet6 fe80::388e:34ff:fe7b:3dfd/64 scope link 
       valid_lft forever preferred_lft forever
6: br-ff-mesh: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 0c:c4:7a:92:87:2e brd ff:ff:ff:ff:ff:ff
    inet6 fe80::9896:8fff:fe81:164b/64 scope link 
       valid_lft forever preferred_lft forever
7: eth0.1@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br0 state UP group default qlen 1000
    link/ether 0c:c4:7a:92:87:2e brd ff:ff:ff:ff:ff:ff
    inet6 fe80::ec4:7aff:fe92:872e/64 scope link 
       valid_lft forever preferred_lft forever
8: eth0.10@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br-ff-mesh state UP group default qlen 1000
    link/ether 0c:c4:7a:92:87:2e brd ff:ff:ff:ff:ff:ff
    inet6 fe80::ec4:7aff:fe92:872e/64 scope link 
       valid_lft forever preferred_lft forever
9: eth0.11@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br-ff-client state UP group default qlen 1000
    link/ether 0c:c4:7a:92:87:2e brd ff:ff:ff:ff:ff:ff
    inet6 fe80::ec4:7aff:fe92:872e/64 scope link 
       valid_lft forever preferred_lft forever
10: netdev-daten: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UNKNOWN group default qlen 1000
    link/ether fe:54:00:a4:75:dc brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fea4:75dc/64 scope link 
       valid_lft forever preferred_lft forever
11: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br-ff-mesh state UNKNOWN group default qlen 1000
    link/ether fe:54:00:e6:72:c5 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fee6:72c5/64 scope link 
       valid_lft forever preferred_lft forever
12: vnet1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UNKNOWN group default qlen 1000
    link/ether fe:54:00:59:77:b1 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fe59:77b1/64 scope link 
       valid_lft forever preferred_lft forever
13: vnet2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br-ff-client state UNKNOWN group default qlen 1000
    link/ether fe:54:00:f8:37:c0 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fef8:37c0/64 scope link 
       valid_lft forever preferred_lft forever
14: netdev-apps: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UNKNOWN group default qlen 1000
    link/ether fe:54:00:a4:75:dd brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fea4:75dd/64 scope link 
       valid_lft forever preferred_lft forever
15: netdev-extern: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UNKNOWN group default qlen 1000
    link/ether fe:54:00:a4:75:de brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fc54:ff:fea4:75de/64 scope link 
       valid_lft forever preferred_lft forever
root@sirius:~# 


und die Netzwerk-Konfig von der VM:

    <interface type='bridge'>
      <mac address='52:54:00:e6:72:c5'/>
      <source bridge='br-ff-mesh'/>
      <model type='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </interface>
    <interface type='bridge'>
      <mac address='52:54:00:59:77:b1'/>
      <source bridge='br0'/>
      <model type='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
    </interface>
    <interface type='bridge'>
      <mac address='52:54:00:f8:37:c0'/>
      <source bridge='br-ff-client'/>
      <model type='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
    </interface>