[ 1725.415546] br0: port 1(dummy0) entered blocking state
[ 1725.415591] br0: port 1(dummy0) entered disabled state
[ 1725.415626] dummy0: entered allmulticast mode
[ 1725.415674] dummy0: entered promiscuous mode
[ 1725.418253] br0: port 1(dummy0) entered blocking state
[ 1725.418288] br0: port 1(dummy0) entered forwarding state
[ 1725.613335] dummy0: left allmulticast mode
[ 1725.613367] dummy0: left promiscuous mode
[ 1725.613392] br0: port 1(dummy0) entered disabled state