[ 2101.765742][T18116] br0: port 1(dummy0) entered blocking state
[ 2101.765984][T18116] br0: port 1(dummy0) entered disabled state
[ 2101.766197][T18116] dummy0: entered allmulticast mode
[ 2101.767129][T18116] dummy0: entered promiscuous mode
[ 2101.798454][T18117] br0: port 1(dummy0) entered blocking state
[ 2101.798793][T18117] br0: port 1(dummy0) entered forwarding state
[ 2104.084052][   T12] dummy0: left allmulticast mode
[ 2104.085090][   T12] dummy0: left promiscuous mode
[ 2104.085323][   T12] br0: port 1(dummy0) entered disabled state