[ 2098.476722][ T9753] br0: port 1(dummy0) entered blocking state
[ 2098.477084][ T9753] br0: port 1(dummy0) entered disabled state
[ 2098.477418][ T9753] dummy0: entered allmulticast mode
[ 2098.478609][ T9753] dummy0: entered promiscuous mode
[ 2098.517061][ T9754] br0: port 1(dummy0) entered blocking state
[ 2098.517694][ T9754] br0: port 1(dummy0) entered forwarding state
[ 2100.890519][   T69] dummy0: left allmulticast mode
[ 2100.892261][   T69] dummy0: left promiscuous mode
[ 2100.895583][   T69] br0: port 1(dummy0) entered disabled state