[ 1732.077457] br0: port 1(dummy0) entered blocking state
[ 1732.077502] br0: port 1(dummy0) entered disabled state
[ 1732.077538] dummy0: entered allmulticast mode
[ 1732.077605] dummy0: entered promiscuous mode
[ 1732.081091] br0: port 1(dummy0) entered blocking state
[ 1732.081126] br0: port 1(dummy0) entered forwarding state
[ 1732.338342] dummy0: left allmulticast mode
[ 1732.338389] dummy0: left promiscuous mode
[ 1732.338451] br0: port 1(dummy0) entered disabled state