[ 2057.863319] br0: port 1(dummy0) entered blocking state
[ 2057.863357] br0: port 1(dummy0) entered disabled state
[ 2057.863393] dummy0: entered allmulticast mode
[ 2057.863449] dummy0: entered promiscuous mode
[ 2057.866868] br0: port 1(dummy0) entered blocking state
[ 2057.866929] br0: port 1(dummy0) entered forwarding state
[ 2058.124153] dummy0: left allmulticast mode
[ 2058.124189] dummy0: left promiscuous mode
[ 2058.124219] br0: port 1(dummy0) entered disabled state