[ 2285.221293] br0: port 1(dummy0) entered blocking state
[ 2285.221664] br0: port 1(dummy0) entered disabled state
[ 2285.222082] device dummy0 entered promiscuous mode
[ 2285.273937] br0: port 1(dummy0) entered blocking state
[ 2285.274310] br0: port 1(dummy0) entered forwarding state
[ 2285.474194] br0: port 1(dummy0) entered disabled state
[ 2285.563249] device dummy0 left promiscuous mode
[ 2285.563620] br0: port 1(dummy0) entered disabled state