[ 1628.731228] br0: port 1(dummy0) entered blocking state
[ 1628.731301] br0: port 1(dummy0) entered disabled state
[ 1628.731366] dummy0: entered allmulticast mode
[ 1628.731447] dummy0: entered promiscuous mode
[ 1628.734230] br0: port 1(dummy0) entered blocking state
[ 1628.734297] br0: port 1(dummy0) entered forwarding state
[ 1628.925085] dummy0: left allmulticast mode
[ 1628.925117] dummy0: left promiscuous mode
[ 1628.925147] br0: port 1(dummy0) entered disabled state