[ 1719.240402] br0: port 1(dummy0) entered blocking state
[ 1719.240444] br0: port 1(dummy0) entered disabled state
[ 1719.240485] dummy0: entered allmulticast mode
[ 1719.240536] dummy0: entered promiscuous mode
[ 1719.243302] br0: port 1(dummy0) entered blocking state
[ 1719.243367] br0: port 1(dummy0) entered forwarding state
[ 1719.428467] dummy0: left allmulticast mode
[ 1719.428503] dummy0: left promiscuous mode
[ 1719.428533] br0: port 1(dummy0) entered disabled state