[ 1760.935990] br0: port 1(dummy0) entered blocking state
[ 1760.936069] br0: port 1(dummy0) entered disabled state
[ 1760.936136] dummy0: entered allmulticast mode
[ 1760.936222] dummy0: entered promiscuous mode
[ 1760.939736] br0: port 1(dummy0) entered blocking state
[ 1760.939769] br0: port 1(dummy0) entered forwarding state
[ 1761.188074] dummy0: left allmulticast mode
[ 1761.188114] dummy0: left promiscuous mode
[ 1761.188200] br0: port 1(dummy0) entered disabled state