[ 1854.667859] br0: port 1(dummy0) entered blocking state
[ 1854.667925] br0: port 1(dummy0) entered disabled state
[ 1854.667990] dummy0: entered allmulticast mode
[ 1854.668070] dummy0: entered promiscuous mode
[ 1854.671564] br0: port 1(dummy0) entered blocking state
[ 1854.671597] br0: port 1(dummy0) entered forwarding state
[ 1854.916814] dummy0: left allmulticast mode
[ 1854.916878] dummy0: left promiscuous mode
[ 1854.916944] br0: port 1(dummy0) entered disabled state