[ 2259.805447][T27728] br0: port 1(dummy0) entered blocking state
[ 2259.805681][T27728] br0: port 1(dummy0) entered disabled state
[ 2259.805891][T27728] dummy0: entered allmulticast mode
[ 2259.806838][T27728] dummy0: entered promiscuous mode
[ 2259.830451][T27729] br0: port 1(dummy0) entered blocking state
[ 2259.830918][T27729] br0: port 1(dummy0) entered forwarding state
[ 2262.113725][   T12] dummy0: left allmulticast mode
[ 2262.113902][   T12] dummy0: left promiscuous mode
[ 2262.114130][   T12] br0: port 1(dummy0) entered disabled state