[ 1728.464300] br0: port 1(dummy0) entered blocking state
[ 1728.464349] br0: port 1(dummy0) entered disabled state
[ 1728.464380] dummy0: entered allmulticast mode
[ 1728.464437] dummy0: entered promiscuous mode
[ 1728.466878] br0: port 1(dummy0) entered blocking state
[ 1728.466915] br0: port 1(dummy0) entered forwarding state
[ 1728.630508] dummy0: left allmulticast mode
[ 1728.630542] dummy0: left promiscuous mode
[ 1728.630626] br0: port 1(dummy0) entered disabled state