[ 1783.060750] br0: port 1(dummy0) entered blocking state
[ 1783.060828] br0: port 1(dummy0) entered disabled state
[ 1783.060899] dummy0: entered allmulticast mode
[ 1783.060987] dummy0: entered promiscuous mode
[ 1783.064383] br0: port 1(dummy0) entered blocking state
[ 1783.064419] br0: port 1(dummy0) entered forwarding state
[ 1783.302065] dummy0: left allmulticast mode
[ 1783.302107] dummy0: left promiscuous mode
[ 1783.302140] br0: port 1(dummy0) entered disabled state