[ 2055.746108][T31902] br0: port 1(dummy0) entered blocking state
[ 2055.746936][T31902] br0: port 1(dummy0) entered disabled state
[ 2055.747156][T31902] dummy0: entered allmulticast mode
[ 2055.748299][T31902] dummy0: entered promiscuous mode
[ 2055.778056][T31903] br0: port 1(dummy0) entered blocking state
[ 2055.778874][T31903] br0: port 1(dummy0) entered forwarding state
[ 2058.153565][   T12] dummy0: left allmulticast mode
[ 2058.154596][   T12] dummy0: left promiscuous mode
[ 2058.154828][   T12] br0: port 1(dummy0) entered disabled state