[   28.471709] br0: port 1(c1) entered blocking state
[   28.471766] br0: port 1(c1) entered disabled state
[   28.471814] c1: entered allmulticast mode
[   28.471897] c1: entered promiscuous mode
[   28.514468] br0: port 2(c2) entered blocking state
[   28.514526] br0: port 2(c2) entered disabled state
[   28.514583] c2: entered allmulticast mode
[   28.514661] c2: entered promiscuous mode
[   28.560596] br0: port 3(c3) entered blocking state
[   28.560658] br0: port 3(c3) entered disabled state
[   28.560711] c3: entered allmulticast mode
[   28.560789] c3: entered promiscuous mode
[   28.606395] br0: port 4(sender) entered blocking state
[   28.606450] br0: port 4(sender) entered disabled state
[   28.606504] sender: entered allmulticast mode
[   28.606580] sender: entered promiscuous mode
[   28.623386] br0: port 4(sender) entered blocking state
[   28.623455] br0: port 4(sender) entered forwarding state
[   28.623507] br0: port 3(c3) entered blocking state
[   28.623558] br0: port 3(c3) entered forwarding state
[   28.623609] br0: port 2(c2) entered blocking state
[   28.623662] br0: port 2(c2) entered forwarding state
[   28.623712] br0: port 1(c1) entered blocking state
[   28.623758] br0: port 1(c1) entered forwarding state
[   39.396066] br0: port 1(c1) entered disabled state
[   39.396419] c1 (unregistering): left allmulticast mode
[   39.396472] c1 (unregistering): left promiscuous mode
[   39.396543] br0: port 1(c1) entered disabled state
[   39.440014] br0: port 2(c2) entered disabled state
[   39.440256] c2 (unregistering): left allmulticast mode
[   39.440303] c2 (unregistering): left promiscuous mode
[   39.440345] br0: port 2(c2) entered disabled state
[   39.476026] br0: port 3(c3) entered disabled state
[   39.476411] c3 (unregistering): left allmulticast mode
[   39.476482] c3 (unregistering): left promiscuous mode
[   39.476524] br0: port 3(c3) entered disabled state
[   39.515006] br0: port 4(sender) entered disabled state
[   39.515249] sender (unregistering): left allmulticast mode
[   39.515296] sender (unregistering): left promiscuous mode
[   39.515339] br0: port 4(sender) entered disabled state