[ 2386.626261][T29659] br0: port 1(dummy0) entered blocking state
[ 2386.626567][T29659] br0: port 1(dummy0) entered disabled state
[ 2386.626848][T29659] dummy0: entered allmulticast mode
[ 2386.627854][T29659] dummy0: entered promiscuous mode
[ 2386.654842][T29660] br0: port 1(dummy0) entered blocking state
[ 2386.655188][T29660] br0: port 1(dummy0) entered forwarding state
[ 2389.139190][   T12] dummy0: left allmulticast mode
[ 2389.141259][   T12] dummy0: left promiscuous mode
[ 2389.141603][   T12] br0: port 1(dummy0) entered disabled state