[ 1781.656809] br0: port 1(dummy0) entered blocking state
[ 1781.656887] br0: port 1(dummy0) entered disabled state
[ 1781.656955] dummy0: entered allmulticast mode
[ 1781.657044] dummy0: entered promiscuous mode
[ 1781.660390] br0: port 1(dummy0) entered blocking state
[ 1781.660432] br0: port 1(dummy0) entered forwarding state
[ 1781.880553] dummy0: left allmulticast mode
[ 1781.880590] dummy0: left promiscuous mode
[ 1781.880621] br0: port 1(dummy0) entered disabled state