[    3.209032] ip (491) used greatest stack depth: 12272 bytes left
[    3.233169] br0: port 1(dummy0) entered blocking state
[    3.233243] br0: port 1(dummy0) entered disabled state
[    3.233314] dummy0: entered allmulticast mode
[    3.233400] dummy0: entered promiscuous mode
[    3.237100] br0: port 1(dummy0) entered blocking state
[    3.237139] br0: port 1(dummy0) entered forwarding state
[    3.498009] dummy0: left allmulticast mode
[    3.498046] dummy0: left promiscuous mode
[    3.498111] br0: port 1(dummy0) entered disabled state