[ 1718.913712] br0: port 1(dummy0) entered blocking state
[ 1718.913782] br0: port 1(dummy0) entered disabled state
[ 1718.913847] dummy0: entered allmulticast mode
[ 1718.913937] dummy0: entered promiscuous mode
[ 1718.916759] br0: port 1(dummy0) entered blocking state
[ 1718.916790] br0: port 1(dummy0) entered forwarding state
[ 1719.100821] dummy0: left allmulticast mode
[ 1719.100851] dummy0: left promiscuous mode
[ 1719.100878] br0: port 1(dummy0) entered disabled state