[ 2044.809885][T15054] br0: port 1(dummy0) entered blocking state
[ 2044.810067][T15054] br0: port 1(dummy0) entered disabled state
[ 2044.810232][T15054] dummy0: entered allmulticast mode
[ 2044.811556][T15054] dummy0: entered promiscuous mode
[ 2044.842045][T15055] br0: port 1(dummy0) entered blocking state
[ 2044.842305][T15055] br0: port 1(dummy0) entered forwarding state
[ 2047.102262][   T12] dummy0: left allmulticast mode
[ 2047.104820][   T12] dummy0: left promiscuous mode
[ 2047.105053][   T12] br0: port 1(dummy0) entered disabled state