[ 2046.110350][ T2384] br0: port 1(dummy0) entered blocking state
[ 2046.110654][ T2384] br0: port 1(dummy0) entered disabled state
[ 2046.110946][ T2384] dummy0: entered allmulticast mode
[ 2046.111946][ T2384] dummy0: entered promiscuous mode
[ 2046.139357][ T2385] br0: port 1(dummy0) entered blocking state
[ 2046.139667][ T2385] br0: port 1(dummy0) entered forwarding state
[ 2048.505431][   T70] dummy0: left allmulticast mode
[ 2048.506565][   T70] dummy0: left promiscuous mode
[ 2048.507013][   T70] br0: port 1(dummy0) entered disabled state