[ 2130.567457][ T5379] br0: port 1(dummy0) entered blocking state
[ 2130.567709][ T5379] br0: port 1(dummy0) entered disabled state
[ 2130.567938][ T5379] dummy0: entered allmulticast mode
[ 2130.568853][ T5379] dummy0: entered promiscuous mode
[ 2130.595448][ T5380] br0: port 1(dummy0) entered blocking state
[ 2130.595623][ T5380] br0: port 1(dummy0) entered forwarding state
[ 2132.546838][   T12] dummy0: left allmulticast mode
[ 2132.547909][   T12] dummy0: left promiscuous mode
[ 2132.548204][   T12] br0: port 1(dummy0) entered disabled state