[ 2083.602726][ T8680] br0: port 1(dummy0) entered blocking state
[ 2083.603326][ T8680] br0: port 1(dummy0) entered disabled state
[ 2083.603491][ T8680] dummy0: entered allmulticast mode
[ 2083.604431][ T8680] dummy0: entered promiscuous mode
[ 2083.629203][ T8681] br0: port 1(dummy0) entered blocking state
[ 2083.629599][ T8681] br0: port 1(dummy0) entered forwarding state
[ 2085.983614][ T5923] dummy0: left allmulticast mode
[ 2085.984554][ T5923] dummy0: left promiscuous mode
[ 2085.984801][ T5923] br0: port 1(dummy0) entered disabled state