[ 1805.087648] br0: port 1(dummy0) entered blocking state
[ 1805.087710] br0: port 1(dummy0) entered disabled state
[ 1805.087764] dummy0: entered allmulticast mode
[ 1805.087835] dummy0: entered promiscuous mode
[ 1805.091481] br0: port 1(dummy0) entered blocking state
[ 1805.091505] br0: port 1(dummy0) entered forwarding state
[ 1805.365155] dummy0: left allmulticast mode
[ 1805.365186] dummy0: left promiscuous mode
[ 1805.365206] br0: port 1(dummy0) entered disabled state