[Bridge] bridge problem

[우현구텔레콤]

hi everyone I want to solve this problem of brctl configulation.   what's this message ? "br0: retransmitting tcn bpdu"   after I reloaded bridge optioned kernel on my linux system and configured br0, bridge interface by brctl, above message is often shown about 3-4 sec.   how can I do solve this problem?   in South Korea, Woo Hyun-goo