[ 2057.118798][T31943] br0: port 1(dummy0) entered blocking state
[ 2057.118982][T31943] br0: port 1(dummy0) entered disabled state
[ 2057.119147][T31943] dummy0: entered allmulticast mode
[ 2057.120017][T31943] dummy0: entered promiscuous mode
[ 2057.144345][T31944] br0: port 1(dummy0) entered blocking state
[ 2057.144557][T31944] br0: port 1(dummy0) entered forwarding state
[ 2059.521673][   T69] dummy0: left allmulticast mode
[ 2059.522482][   T69] dummy0: left promiscuous mode
[ 2059.522713][   T69] br0: port 1(dummy0) entered disabled state