[  553.906555] br0: port 1(c1) entered blocking state
[  553.906617] br0: port 1(c1) entered disabled state
[  553.906682] c1: entered allmulticast mode
[  553.906752] c1: entered promiscuous mode
[  553.998241] br0: port 2(c2) entered blocking state
[  553.998321] br0: port 2(c2) entered disabled state
[  553.998403] c2: entered allmulticast mode
[  553.998496] c2: entered promiscuous mode
[  554.081919] br0: port 3(c3) entered blocking state
[  554.081992] br0: port 3(c3) entered disabled state
[  554.082054] c3: entered allmulticast mode
[  554.082129] c3: entered promiscuous mode
[  554.168407] br0: port 4(sender) entered blocking state
[  554.168489] br0: port 4(sender) entered disabled state
[  554.168561] sender: entered allmulticast mode
[  554.168661] sender: entered promiscuous mode
[  554.203186] br0: port 4(sender) entered blocking state
[  554.203259] br0: port 4(sender) entered forwarding state
[  554.203320] br0: port 3(c3) entered blocking state
[  554.203376] br0: port 3(c3) entered forwarding state
[  554.203431] br0: port 2(c2) entered blocking state
[  554.203484] br0: port 2(c2) entered forwarding state
[  554.203541] br0: port 1(c1) entered blocking state
[  554.203590] br0: port 1(c1) entered forwarding state
[  564.993952] br0: port 1(c1) entered disabled state
[  564.994199] c1 (unregistering): left allmulticast mode
[  564.994242] c1 (unregistering): left promiscuous mode
[  564.994280] br0: port 1(c1) entered disabled state
[  565.042998] br0: port 2(c2) entered disabled state
[  565.043284] c2 (unregistering): left allmulticast mode
[  565.043343] c2 (unregistering): left promiscuous mode
[  565.043388] br0: port 2(c2) entered disabled state
[  565.108944] br0: port 3(c3) entered disabled state
[  565.109245] c3 (unregistering): left allmulticast mode
[  565.109291] c3 (unregistering): left promiscuous mode
[  565.109328] br0: port 3(c3) entered disabled state
[  565.168993] br0: port 4(sender) entered disabled state
[  565.169258] sender (unregistering): left allmulticast mode
[  565.169313] sender (unregistering): left promiscuous mode
[  565.169356] br0: port 4(sender) entered disabled state