[  551.258261] br0: port 1(c1) entered blocking state
[  551.258317] br0: port 1(c1) entered disabled state
[  551.258371] c1: entered allmulticast mode
[  551.258443] c1: entered promiscuous mode
[  551.341535] br0: port 2(c2) entered blocking state
[  551.341593] br0: port 2(c2) entered disabled state
[  551.341647] c2: entered allmulticast mode
[  551.341727] c2: entered promiscuous mode
[  551.428308] br0: port 3(c3) entered blocking state
[  551.428370] br0: port 3(c3) entered disabled state
[  551.428427] c3: entered allmulticast mode
[  551.428508] c3: entered promiscuous mode
[  551.513588] br0: port 4(sender) entered blocking state
[  551.513672] br0: port 4(sender) entered disabled state
[  551.513730] sender: entered allmulticast mode
[  551.513822] sender: entered promiscuous mode
[  551.546993] br0: port 4(sender) entered blocking state
[  551.547056] br0: port 4(sender) entered forwarding state
[  551.547102] br0: port 3(c3) entered blocking state
[  551.547148] br0: port 3(c3) entered forwarding state
[  551.547190] br0: port 2(c2) entered blocking state
[  551.547232] br0: port 2(c2) entered forwarding state
[  551.547284] br0: port 1(c1) entered blocking state
[  551.547324] br0: port 1(c1) entered forwarding state
[  562.362941] br0: port 1(c1) entered disabled state
[  562.363326] c1 (unregistering): left allmulticast mode
[  562.363367] c1 (unregistering): left promiscuous mode
[  562.363404] br0: port 1(c1) entered disabled state
[  562.430881] br0: port 2(c2) entered disabled state
[  562.431204] c2 (unregistering): left allmulticast mode
[  562.431242] c2 (unregistering): left promiscuous mode
[  562.431283] br0: port 2(c2) entered disabled state
[  562.483900] br0: port 3(c3) entered disabled state
[  562.484193] c3 (unregistering): left allmulticast mode
[  562.484245] c3 (unregistering): left promiscuous mode
[  562.484293] br0: port 3(c3) entered disabled state
[  562.535844] br0: port 4(sender) entered disabled state
[  562.536113] sender (unregistering): left allmulticast mode
[  562.536160] sender (unregistering): left promiscuous mode
[  562.536198] br0: port 4(sender) entered disabled state