[  148.526307] br0: port 1(dummy0) entered blocking state
[  148.526343] br0: port 1(dummy0) entered disabled state
[  148.526376] dummy0: entered allmulticast mode
[  148.526432] dummy0: entered promiscuous mode
[  148.529647] br0: port 1(dummy0) entered blocking state
[  148.529678] br0: port 1(dummy0) entered forwarding state
[  148.713457] dummy0: left allmulticast mode
[  148.713497] dummy0: left promiscuous mode
[  148.713599] br0: port 1(dummy0) entered disabled state