[ 2056.781856][ T2255] br0: port 1(dummy0) entered blocking state
[ 2056.782051][ T2255] br0: port 1(dummy0) entered disabled state
[ 2056.782213][ T2255] dummy0: entered allmulticast mode
[ 2056.783086][ T2255] dummy0: entered promiscuous mode
[ 2056.810989][ T2256] br0: port 1(dummy0) entered blocking state
[ 2056.811249][ T2256] br0: port 1(dummy0) entered forwarding state
[ 2059.309136][   T12] dummy0: left allmulticast mode
[ 2059.309853][   T12] dummy0: left promiscuous mode
[ 2059.310172][   T12] br0: port 1(dummy0) entered disabled state