[ 2075.785761][T30617] br0: port 1(dummy0) entered blocking state
[ 2075.785954][T30617] br0: port 1(dummy0) entered disabled state
[ 2075.786129][T30617] dummy0: entered allmulticast mode
[ 2075.787152][T30617] dummy0: entered promiscuous mode
[ 2075.814516][T30618] br0: port 1(dummy0) entered blocking state
[ 2075.814691][T30618] br0: port 1(dummy0) entered forwarding state
[ 2077.741908][   T70] dummy0: left allmulticast mode
[ 2077.742081][   T70] dummy0: left promiscuous mode
[ 2077.742291][   T70] br0: port 1(dummy0) entered disabled state