[ 1718.920196] br0: port 1(dummy0) entered blocking state
[ 1718.920237] br0: port 1(dummy0) entered disabled state
[ 1718.920267] dummy0: entered allmulticast mode
[ 1718.920324] dummy0: entered promiscuous mode
[ 1718.922900] br0: port 1(dummy0) entered blocking state
[ 1718.922937] br0: port 1(dummy0) entered forwarding state
[ 1719.089400] dummy0: left allmulticast mode
[ 1719.089432] dummy0: left promiscuous mode
[ 1719.089467] br0: port 1(dummy0) entered disabled state