[   44.395550] br0: port 1(dummy0) entered blocking state
[   44.395604] br0: port 1(dummy0) entered disabled state
[   44.395639] dummy0: entered allmulticast mode
[   44.395693] dummy0: entered promiscuous mode
[   44.399477] br0: port 1(dummy0) entered blocking state
[   44.399511] br0: port 1(dummy0) entered forwarding state
[   44.668534] dummy0: left allmulticast mode
[   44.668585] dummy0: left promiscuous mode
[   44.668617] br0: port 1(dummy0) entered disabled state