[  332.492310] br0: port 1(dummy0) entered blocking state
[  332.492321] br0: port 1(dummy0) entered disabled state
[  332.492390] device dummy0 entered promiscuous mode
[  332.519443] br0: port 1(dummy0) entered blocking state
[  332.519450] br0: port 1(dummy0) entered forwarding state
[  332.622770] br0: port 1(dummy0) entered disabled state
[  332.664810] device dummy0 left promiscuous mode
[  332.664844] br0: port 1(dummy0) entered disabled state