[ 2090.000513][T15561] br0: port 1(dummy0) entered blocking state
[ 2090.000744][T15561] br0: port 1(dummy0) entered disabled state
[ 2090.000959][T15561] dummy0: entered allmulticast mode
[ 2090.001870][T15561] dummy0: entered promiscuous mode
[ 2090.024914][T15562] br0: port 1(dummy0) entered blocking state
[ 2090.025088][T15562] br0: port 1(dummy0) entered forwarding state
[ 2091.957195][   T12] dummy0: left allmulticast mode
[ 2091.957389][   T12] dummy0: left promiscuous mode
[ 2091.957621][   T12] br0: port 1(dummy0) entered disabled state