[ 1650.957544] br0: port 1(dummy0) entered blocking state
[ 1650.957637] br0: port 1(dummy0) entered disabled state
[ 1650.957692] dummy0: entered allmulticast mode
[ 1650.957763] dummy0: entered promiscuous mode
[ 1650.960962] br0: port 1(dummy0) entered blocking state
[ 1650.961006] br0: port 1(dummy0) entered forwarding state
[ 1651.178729] dummy0: left allmulticast mode
[ 1651.178802] dummy0: left promiscuous mode
[ 1651.178879] br0: port 1(dummy0) entered disabled state