[ 2267.584527][ T4746] br0: port 1(dummy0) entered blocking state
[ 2267.584887][ T4746] br0: port 1(dummy0) entered disabled state
[ 2267.585214][ T4746] dummy0: entered allmulticast mode
[ 2267.586268][ T4746] dummy0: entered promiscuous mode
[ 2267.619434][ T4747] br0: port 1(dummy0) entered blocking state
[ 2267.619737][ T4747] br0: port 1(dummy0) entered forwarding state
[ 2270.027555][   T65] dummy0: left allmulticast mode
[ 2270.027912][   T65] dummy0: left promiscuous mode
[ 2270.028227][   T65] br0: port 1(dummy0) entered disabled state