[ 3090.031564] br0: port 1(dummy0) entered blocking state
[ 3090.032250] br0: port 1(dummy0) entered disabled state
[ 3090.033437] device dummy0 entered promiscuous mode
[ 3090.093652] br0: port 1(dummy0) entered blocking state
[ 3090.094408] br0: port 1(dummy0) entered forwarding state
[ 3090.319864] br0: port 1(dummy0) entered disabled state
[ 3090.423263] device dummy0 left promiscuous mode
[ 3090.423898] br0: port 1(dummy0) entered disabled state