[ 2651.701137] br0: port 1(dummy0) entered blocking state
[ 2651.701534] br0: port 1(dummy0) entered disabled state
[ 2651.702117] device dummy0 entered promiscuous mode
[ 2651.759913] br0: port 1(dummy0) entered blocking state
[ 2651.760325] br0: port 1(dummy0) entered forwarding state
[ 2651.981814] br0: port 1(dummy0) entered disabled state
[ 2652.079084] device dummy0 left promiscuous mode
[ 2652.079505] br0: port 1(dummy0) entered disabled state