[  104.974997] br0: port 1(dummy0) entered blocking state
[  104.975054] br0: port 1(dummy0) entered disabled state
[  104.975095] dummy0: entered allmulticast mode
[  104.975154] dummy0: entered promiscuous mode
[  104.978046] br0: port 1(dummy0) entered blocking state
[  104.978081] br0: port 1(dummy0) entered forwarding state
[  105.167677] dummy0: left allmulticast mode
[  105.167711] dummy0: left promiscuous mode
[  105.167740] br0: port 1(dummy0) entered disabled state