[ 1817.398541] br0: port 1(dummy0) entered blocking state
[ 1817.398580] br0: port 1(dummy0) entered disabled state
[ 1817.398616] dummy0: entered allmulticast mode
[ 1817.398670] dummy0: entered promiscuous mode
[ 1817.402151] br0: port 1(dummy0) entered blocking state
[ 1817.402213] br0: port 1(dummy0) entered forwarding state
[ 1817.666408] dummy0: left allmulticast mode
[ 1817.666452] dummy0: left promiscuous mode
[ 1817.666483] br0: port 1(dummy0) entered disabled state