[ 2411.749882][T28297] br0: port 1(dummy0) entered blocking state
[ 2411.750187][T28297] br0: port 1(dummy0) entered disabled state
[ 2411.750469][T28297] dummy0: entered allmulticast mode
[ 2411.751468][T28297] dummy0: entered promiscuous mode
[ 2411.782958][T28298] br0: port 1(dummy0) entered blocking state
[ 2411.783273][T28298] br0: port 1(dummy0) entered forwarding state
[ 2414.242800][   T12] dummy0: left allmulticast mode
[ 2414.243460][   T12] dummy0: left promiscuous mode
[ 2414.243801][   T12] br0: port 1(dummy0) entered disabled state