[ 2098.838988][ T9535] br0: port 1(dummy0) entered blocking state
[ 2098.839316][ T9535] br0: port 1(dummy0) entered disabled state
[ 2098.839596][ T9535] dummy0: entered allmulticast mode
[ 2098.841150][ T9535] dummy0: entered promiscuous mode
[ 2098.872941][ T9536] br0: port 1(dummy0) entered blocking state
[ 2098.873532][ T9536] br0: port 1(dummy0) entered forwarding state
[ 2101.346855][   T68] dummy0: left allmulticast mode
[ 2101.347355][   T68] dummy0: left promiscuous mode
[ 2101.347690][   T68] br0: port 1(dummy0) entered disabled state