[ 2045.540615][ T2301] br0: port 1(dummy0) entered blocking state
[ 2045.540851][ T2301] br0: port 1(dummy0) entered disabled state
[ 2045.541082][ T2301] dummy0: entered allmulticast mode
[ 2045.541996][ T2301] dummy0: entered promiscuous mode
[ 2045.571370][ T2302] br0: port 1(dummy0) entered blocking state
[ 2045.571544][ T2302] br0: port 1(dummy0) entered forwarding state
[ 2047.518076][   T70] dummy0: left allmulticast mode
[ 2047.518324][   T70] dummy0: left promiscuous mode
[ 2047.518627][   T70] br0: port 1(dummy0) entered disabled state