[ 1779.309599][T10075] br0: port 1(dummy0) entered blocking state
[ 1779.309733][T10075] br0: port 1(dummy0) entered disabled state
[ 1779.309846][T10075] dummy0: entered allmulticast mode
[ 1779.310332][T10075] dummy0: entered promiscuous mode
[ 1779.324324][T10076] br0: port 1(dummy0) entered blocking state
[ 1779.324451][T10076] br0: port 1(dummy0) entered forwarding state
[ 1780.567350][   T12] dummy0: left allmulticast mode
[ 1780.567523][   T12] dummy0: left promiscuous mode
[ 1780.567725][   T12] br0: port 1(dummy0) entered disabled state