[ 1863.960062][ T3625] br0: port 1(dummy0) entered blocking state
[ 1863.961150][ T3625] br0: port 1(dummy0) entered disabled state
[ 1863.961335][ T3625] dummy0: entered allmulticast mode
[ 1863.962771][ T3625] dummy0: entered promiscuous mode
[ 1863.984792][ T3626] br0: port 1(dummy0) entered blocking state
[ 1863.985307][ T3626] br0: port 1(dummy0) entered forwarding state
[ 1865.964074][   T68] dummy0: left allmulticast mode
[ 1865.964860][   T68] dummy0: left promiscuous mode
[ 1865.965091][   T68] br0: port 1(dummy0) entered disabled state