corsairetc - 2012-12-18

Hello,
I was tryed create new bridge with my eth0 interface but I am not able to set up this everytime is end with this error :
The selected interface for the bridge must not have any address assigned
I had static IP for eth0 with:
IP: 192.168.5.250
In bridge creation page I try add new IP or set DHCP but everything is same.
Tahnak you for help.