[ 1761.471980] br0: port 1(dummy0) entered blocking state
[ 1761.472014] br0: port 1(dummy0) entered disabled state
[ 1761.472036] dummy0: entered allmulticast mode
[ 1761.472070] dummy0: entered promiscuous mode
[ 1761.475627] br0: port 1(dummy0) entered blocking state
[ 1761.475678] br0: port 1(dummy0) entered forwarding state
[ 1761.741361] dummy0: left allmulticast mode
[ 1761.741386] dummy0: left promiscuous mode
[ 1761.741405] br0: port 1(dummy0) entered disabled state