[ 1862.884405] br0: port 1(dummy0) entered blocking state
[ 1862.884487] br0: port 1(dummy0) entered disabled state
[ 1862.884573] dummy0: entered allmulticast mode
[ 1862.884658] dummy0: entered promiscuous mode
[ 1862.888479] br0: port 1(dummy0) entered blocking state
[ 1862.888518] br0: port 1(dummy0) entered forwarding state
[ 1863.178116] dummy0: left allmulticast mode
[ 1863.178163] dummy0: left promiscuous mode
[ 1863.178200] br0: port 1(dummy0) entered disabled state