[  194.961144] br0: port 1(dummy0) entered blocking state
[  194.961225] br0: port 1(dummy0) entered disabled state
[  194.961295] dummy0: entered allmulticast mode
[  194.961380] dummy0: entered promiscuous mode
[  194.964175] br0: port 1(dummy0) entered blocking state
[  194.964239] br0: port 1(dummy0) entered forwarding state
[  195.153154] dummy0: left allmulticast mode
[  195.153191] dummy0: left promiscuous mode
[  195.153229] br0: port 1(dummy0) entered disabled state