[ 2415.638325][T28442] br0: port 1(dummy0) entered blocking state
[ 2415.638627][T28442] br0: port 1(dummy0) entered disabled state
[ 2415.638898][T28442] dummy0: entered allmulticast mode
[ 2415.640393][T28442] dummy0: entered promiscuous mode
[ 2415.675372][T28443] br0: port 1(dummy0) entered blocking state
[ 2415.675758][T28443] br0: port 1(dummy0) entered forwarding state
[ 2418.169994][   T12] dummy0: left allmulticast mode
[ 2418.170872][   T12] dummy0: left promiscuous mode
[ 2418.171290][   T12] br0: port 1(dummy0) entered disabled state