[ 1862.968129][T31435] br0: port 1(dummy0) entered blocking state
[ 1862.968659][T31435] br0: port 1(dummy0) entered disabled state
[ 1862.975221][T31435] dummy0: entered allmulticast mode
[ 1862.976219][T31435] dummy0: entered promiscuous mode
[ 1862.999003][T31436] br0: port 1(dummy0) entered blocking state
[ 1862.999229][T31436] br0: port 1(dummy0) entered forwarding state
[ 1864.838088][   T12] dummy0: left allmulticast mode
[ 1864.838256][   T12] dummy0: left promiscuous mode
[ 1864.838478][   T12] br0: port 1(dummy0) entered disabled state