[ 2053.517391][T13148] br0: port 1(dummy0) entered blocking state
[ 2053.517582][T13148] br0: port 1(dummy0) entered disabled state
[ 2053.517745][T13148] dummy0: entered allmulticast mode
[ 2053.518602][T13148] dummy0: entered promiscuous mode
[ 2053.548843][T13149] br0: port 1(dummy0) entered blocking state
[ 2053.549344][T13149] br0: port 1(dummy0) entered forwarding state
[ 2055.529665][   T71] dummy0: left allmulticast mode
[ 2055.530696][   T71] dummy0: left promiscuous mode
[ 2055.530933][   T71] br0: port 1(dummy0) entered disabled state