[ 1862.880835] br0: port 1(dummy0) entered blocking state
[ 1862.880884] br0: port 1(dummy0) entered disabled state
[ 1862.880920] dummy0: entered allmulticast mode
[ 1862.880974] dummy0: entered promiscuous mode
[ 1862.884482] br0: port 1(dummy0) entered blocking state
[ 1862.884544] br0: port 1(dummy0) entered forwarding state
[ 1863.145248] dummy0: left allmulticast mode
[ 1863.145281] dummy0: left promiscuous mode
[ 1863.145310] br0: port 1(dummy0) entered disabled state