[ 2057.304439] br0: port 1(dummy0) entered blocking state
[ 2057.304526] br0: port 1(dummy0) entered disabled state
[ 2057.304597] dummy0: entered allmulticast mode
[ 2057.304685] dummy0: entered promiscuous mode
[ 2057.307593] br0: port 1(dummy0) entered blocking state
[ 2057.307659] br0: port 1(dummy0) entered forwarding state
[ 2057.516828] dummy0: left allmulticast mode
[ 2057.516936] dummy0: left promiscuous mode
[ 2057.517001] br0: port 1(dummy0) entered disabled state