[  430.211755] br0: port 1(dummy0) entered blocking state
[  430.213002] br0: port 1(dummy0) entered disabled state
[  430.214419] device dummy0 entered promiscuous mode
[  430.360909] br0: port 1(dummy0) entered blocking state
[  430.362200] br0: port 1(dummy0) entered forwarding state
[  430.878728] br0: port 1(dummy0) entered disabled state
[  431.102352] device dummy0 left promiscuous mode
[  431.103518] br0: port 1(dummy0) entered disabled state