[ 2033.096877][T29743] br0: port 1(dummy0) entered blocking state
[ 2033.097079][T29743] br0: port 1(dummy0) entered disabled state
[ 2033.097252][T29743] dummy0: entered allmulticast mode
[ 2033.098250][T29743] dummy0: entered promiscuous mode
[ 2033.127067][T29744] br0: port 1(dummy0) entered blocking state
[ 2033.127723][T29744] br0: port 1(dummy0) entered forwarding state
[ 2035.160417][   T12] dummy0: left allmulticast mode
[ 2035.160759][   T12] dummy0: left promiscuous mode
[ 2035.160992][   T12] br0: port 1(dummy0) entered disabled state