[ 1565.950147] br0: port 1(dummy0) entered blocking state
[ 1565.950193] br0: port 1(dummy0) entered disabled state
[ 1565.950224] dummy0: entered allmulticast mode
[ 1565.950285] dummy0: entered promiscuous mode
[ 1565.952868] br0: port 1(dummy0) entered blocking state
[ 1565.952904] br0: port 1(dummy0) entered forwarding state
[ 1566.148985] dummy0: left allmulticast mode
[ 1566.149025] dummy0: left promiscuous mode
[ 1566.149056] br0: port 1(dummy0) entered disabled state