[ 1762.926848] br0: port 1(dummy0) entered blocking state
[ 1762.926881] br0: port 1(dummy0) entered disabled state
[ 1762.926971] dummy0: entered allmulticast mode
[ 1762.927050] dummy0: entered promiscuous mode
[ 1762.930317] br0: port 1(dummy0) entered blocking state
[ 1762.930337] br0: port 1(dummy0) entered forwarding state
[ 1763.147377] dummy0: left allmulticast mode
[ 1763.147404] dummy0: left promiscuous mode
[ 1763.147424] br0: port 1(dummy0) entered disabled state