[ 1926.233948] br0: port 1(dummy0) entered blocking state
[ 1926.234024] br0: port 1(dummy0) entered disabled state
[ 1926.234089] dummy0: entered allmulticast mode
[ 1926.234178] dummy0: entered promiscuous mode
[ 1926.237664] br0: port 1(dummy0) entered blocking state
[ 1926.237697] br0: port 1(dummy0) entered forwarding state
[ 1926.489582] dummy0: left allmulticast mode
[ 1926.489619] dummy0: left promiscuous mode
[ 1926.489650] br0: port 1(dummy0) entered disabled state