[ 1736.562000] br0: port 1(dummy0) entered blocking state
[ 1736.562039] br0: port 1(dummy0) entered disabled state
[ 1736.562072] dummy0: entered allmulticast mode
[ 1736.562124] dummy0: entered promiscuous mode
[ 1736.564899] br0: port 1(dummy0) entered blocking state
[ 1736.564932] br0: port 1(dummy0) entered forwarding state
[ 1736.758754] dummy0: left allmulticast mode
[ 1736.758790] dummy0: left promiscuous mode
[ 1736.758820] br0: port 1(dummy0) entered disabled state