bridged networking setup

[Neal Becker]

I followed the advice here:

http://wiki.libvirt.org/page/Networking#Bridged_networking_.28aka_.22shared_physical_device.22.29

Working, but one thing strange.

My enet I/F on the host used to be eth1.  Now it says it's the bridge br0.
Is this as expected?

br0       Link encap:Ethernet  HWaddr 00:E0:81:B1:49:F8  
          inet addr:10.32.111.113  Bcast:255.255.255.255  Mask:255.255.255.0
          inet6 addr: fe80::2e0:81ff:feb1:49f8/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1665233 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2446635 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:173668560 (165.6 MiB)  TX bytes:2928481244 (2.7 GiB)

eth1      Link encap:Ethernet  HWaddr 00:E0:81:B1:49:F8  
          inet6 addr: fe80::2e0:81ff:feb1:49f8/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:5073158 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5066467 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:3649574236 (3.3 GiB)  TX bytes:5083712432 (4.7 GiB)
          Interrupt:17 Memory:fdee0000-fdf00000 

Setup:
cat /etc/sysconfig/network-scripts/ifcfg-eth1
# Intel Corporation 82573V Gigabit Ethernet Controller (Copper)
DEVICE=eth1
HWADDR=00:e0:81:b1:49:f8
ONBOOT=yes
DHCP_HOSTNAME=nbecker6
BOOTPROTO=dhcp
TYPE=Ethernet
USERCTL=no
PEERDNS=yes
IPV6INIT=no
NM_CONTROLLED=no
BRIDGE=br0

cat /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE=br0
TYPE=Bridge
BOOTPROTO=dhcp
ONBOOT=yes
DELAY=0
NM_CONTROLLED=no
DHCP_HOSTNAME=nbecker6
STP=on