[ 2610.735114] br0: port 1(dummy0) entered blocking state
[ 2610.735134] br0: port 1(dummy0) entered disabled state
[ 2610.735256] device dummy0 entered promiscuous mode
[ 2610.772388] br0: port 1(dummy0) entered blocking state
[ 2610.772401] br0: port 1(dummy0) entered forwarding state
[ 2610.908378] br0: port 1(dummy0) entered disabled state
[ 2610.968634] device dummy0 left promiscuous mode
[ 2610.968674] br0: port 1(dummy0) entered disabled state