[ 2335.416887][T31350] br0: port 1(dummy0) entered blocking state
[ 2335.417254][T31350] br0: port 1(dummy0) entered disabled state
[ 2335.417580][T31350] dummy0: entered allmulticast mode
[ 2335.418683][T31350] dummy0: entered promiscuous mode
[ 2335.452486][T31351] br0: port 1(dummy0) entered blocking state
[ 2335.452800][T31351] br0: port 1(dummy0) entered forwarding state
[ 2337.980431][   T71] dummy0: left allmulticast mode
[ 2337.981097][   T71] dummy0: left promiscuous mode
[ 2337.981435][   T71] br0: port 1(dummy0) entered disabled state