[ 2205.876058][T20598] br0: port 1(dummy0) entered blocking state
[ 2205.876409][T20598] br0: port 1(dummy0) entered disabled state
[ 2205.876745][T20598] dummy0: entered allmulticast mode
[ 2205.877804][T20598] dummy0: entered promiscuous mode
[ 2205.904090][T20599] br0: port 1(dummy0) entered blocking state
[ 2205.904400][T20599] br0: port 1(dummy0) entered forwarding state
[ 2208.269189][   T70] dummy0: left allmulticast mode
[ 2208.269558][   T70] dummy0: left promiscuous mode
[ 2208.269951][   T70] br0: port 1(dummy0) entered disabled state