[ 2280.452534][T23606] br0: port 1(dummy0) entered blocking state
[ 2280.452763][T23606] br0: port 1(dummy0) entered disabled state
[ 2280.452975][T23606] dummy0: entered allmulticast mode
[ 2280.453908][T23606] dummy0: entered promiscuous mode
[ 2280.488941][T23607] br0: port 1(dummy0) entered blocking state
[ 2280.489127][T23607] br0: port 1(dummy0) entered forwarding state
[ 2282.819124][   T69] dummy0: left allmulticast mode
[ 2282.819325][   T69] dummy0: left promiscuous mode
[ 2282.819574][   T69] br0: port 1(dummy0) entered disabled state